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Finding the Fourth Proportional to 168,401,342.90, 252,602,014.35 and 168,401,342.90

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Solution

The fourth proportional to 168,401,342.90, 252,602,014.35 and 168,401,342.90 is: 252,602,014.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,401,342.90 : 252,602,014.35 = 168,401,342.90 : x
  2. Step 2: Convert to fraction form
    168,401,342.90/252,602,014.35 = 168,401,342.90/x
  3. Step 3: Cross multiply
    168,401,342.90x = 252,602,014.35 × 168,401,342.90
  4. Step 4: Simplify right side
    168,401,342.90x = 42,538,518,435,785,072
  5. Step 5: Solve for x
    x = 42,538,518,435,785,072/168,401,342.90
  6. Step 6: Final answer
    x = 252,602,014.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.