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Finding the Fourth Proportional to 173,293.20, 259,421.40 and 163,040.40

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Solution

The fourth proportional to 173,293.20, 259,421.40 and 163,040.40 is: 244,072.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,293.20 : 259,421.40 = 163,040.40 : x
  2. Step 2: Convert to fraction form
    173,293.20/259,421.40 = 163,040.40/x
  3. Step 3: Cross multiply
    173,293.20x = 259,421.40 × 163,040.40
  4. Step 4: Simplify right side
    173,293.20x = 42,296,168,824.56
  5. Step 5: Solve for x
    x = 42,296,168,824.56/173,293.20
  6. Step 6: Final answer
    x = 244,072.87

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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.