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Finding the Fourth Proportional to 267,593.92, 369,529.68 and 172,266.40

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Solution

The fourth proportional to 267,593.92, 369,529.68 and 172,266.40 is: 237,888.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,593.92 : 369,529.68 = 172,266.40 : x
  2. Step 2: Convert to fraction form
    267,593.92/369,529.68 = 172,266.40/x
  3. Step 3: Cross multiply
    267,593.92x = 369,529.68 × 172,266.40
  4. Step 4: Simplify right side
    267,593.92x = 63,657,547,666.75
  5. Step 5: Solve for x
    x = 63,657,547,666.75/267,593.92
  6. Step 6: Final answer
    x = 237,888.62

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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.