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Finding the Fourth Proportional to 371,566.65, 557,349.98 and 91,083.90

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Solution

The fourth proportional to 371,566.65, 557,349.98 and 91,083.90 is: 136,625.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,566.65 : 557,349.98 = 91,083.90 : x
  2. Step 2: Convert to fraction form
    371,566.65/557,349.98 = 91,083.90/x
  3. Step 3: Cross multiply
    371,566.65x = 557,349.98 × 91,083.90
  4. Step 4: Simplify right side
    371,566.65x = 50,765,609,387.90
  5. Step 5: Solve for x
    x = 50,765,609,387.90/371,566.65
  6. Step 6: Final answer
    x = 136,625.85

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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.