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Finding the Fourth Proportional to 252,401.06, 379,030.10 and 168,699.10

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Solution

The fourth proportional to 252,401.06, 379,030.10 and 168,699.10 is: 253,335.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,401.06 : 379,030.10 = 168,699.10 : x
  2. Step 2: Convert to fraction form
    252,401.06/379,030.10 = 168,699.10/x
  3. Step 3: Cross multiply
    252,401.06x = 379,030.10 × 168,699.10
  4. Step 4: Simplify right side
    252,401.06x = 63,942,036,742.91
  5. Step 5: Solve for x
    x = 63,942,036,742.91/252,401.06
  6. Step 6: Final answer
    x = 253,335.06

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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.