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Finding the Fourth Proportional to 372,577.51, 558,863.43 and 106,337.80

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Solution

The fourth proportional to 372,577.51, 558,863.43 and 106,337.80 is: 159,505.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,577.51 : 558,863.43 = 106,337.80 : x
  2. Step 2: Convert to fraction form
    372,577.51/558,863.43 = 106,337.80/x
  3. Step 3: Cross multiply
    372,577.51x = 558,863.43 × 106,337.80
  4. Step 4: Simplify right side
    372,577.51x = 59,428,307,646.65
  5. Step 5: Solve for x
    x = 59,428,307,646.65/372,577.51
  6. Step 6: Final answer
    x = 159,505.89

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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.