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Finding the Fourth Proportional to 172,265.94, 237,705.84 and 100,593.90

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Solution

The fourth proportional to 172,265.94, 237,705.84 and 100,593.90 is: 138,807.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,265.94 : 237,705.84 = 100,593.90 : x
  2. Step 2: Convert to fraction form
    172,265.94/237,705.84 = 100,593.90/x
  3. Step 3: Cross multiply
    172,265.94x = 237,705.84 × 100,593.90
  4. Step 4: Simplify right side
    172,265.94x = 23,911,757,498.38
  5. Step 5: Solve for x
    x = 23,911,757,498.38/172,265.94
  6. Step 6: Final answer
    x = 138,807.23

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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.