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Finding the Fourth Proportional to 356,250.84, 534,377.28 and 86,377.91

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Solution

The fourth proportional to 356,250.84, 534,377.28 and 86,377.91 is: 129,567.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,250.84 : 534,377.28 = 86,377.91 : x
  2. Step 2: Convert to fraction form
    356,250.84/534,377.28 = 86,377.91/x
  3. Step 3: Cross multiply
    356,250.84x = 534,377.28 × 86,377.91
  4. Step 4: Simplify right side
    356,250.84x = 46,158,389,926.00
  5. Step 5: Solve for x
    x = 46,158,389,926.00/356,250.84
  6. Step 6: Final answer
    x = 129,567.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.