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Finding the Fourth Proportional to 313,331.88, 432,398.54 and 170,092.02

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Solution

The fourth proportional to 313,331.88, 432,398.54 and 170,092.02 is: 234,727.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,331.88 : 432,398.54 = 170,092.02 : x
  2. Step 2: Convert to fraction form
    313,331.88/432,398.54 = 170,092.02/x
  3. Step 3: Cross multiply
    313,331.88x = 432,398.54 × 170,092.02
  4. Step 4: Simplify right side
    313,331.88x = 73,547,541,538.88
  5. Step 5: Solve for x
    x = 73,547,541,538.88/313,331.88
  6. Step 6: Final answer
    x = 234,727.29

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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.