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Finding the Fourth Proportional to 173,414.34, 239,308.14 and 96,931.30

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Solution

The fourth proportional to 173,414.34, 239,308.14 and 96,931.30 is: 133,763.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,414.34 : 239,308.14 = 96,931.30 : x
  2. Step 2: Convert to fraction form
    173,414.34/239,308.14 = 96,931.30/x
  3. Step 3: Cross multiply
    173,414.34x = 239,308.14 × 96,931.30
  4. Step 4: Simplify right side
    173,414.34x = 23,196,449,110.78
  5. Step 5: Solve for x
    x = 23,196,449,110.78/173,414.34
  6. Step 6: Final answer
    x = 133,763.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.