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Finding the Fourth Proportional to 173,863.29, 239,915.21 and 98,411.79

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Solution

The fourth proportional to 173,863.29, 239,915.21 and 98,411.79 is: 135,799.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,863.29 : 239,915.21 = 98,411.79 : x
  2. Step 2: Convert to fraction form
    173,863.29/239,915.21 = 98,411.79/x
  3. Step 3: Cross multiply
    173,863.29x = 239,915.21 × 98,411.79
  4. Step 4: Simplify right side
    173,863.29x = 23,610,484,772.27
  5. Step 5: Solve for x
    x = 23,610,484,772.27/173,863.29
  6. Step 6: Final answer
    x = 135,799.14

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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.