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Finding the Fourth Proportional to 372,773.81, 559,160.72 and 92,291.06

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Solution

The fourth proportional to 372,773.81, 559,160.72 and 92,291.06 is: 138,436.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,773.81 : 559,160.72 = 92,291.06 : x
  2. Step 2: Convert to fraction form
    372,773.81/559,160.72 = 92,291.06/x
  3. Step 3: Cross multiply
    372,773.81x = 559,160.72 × 92,291.06
  4. Step 4: Simplify right side
    372,773.81x = 51,605,536,841.70
  5. Step 5: Solve for x
    x = 51,605,536,841.70/372,773.81
  6. Step 6: Final answer
    x = 138,436.59

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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.