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Finding the Fourth Proportional to 372,531.74, 558,891.93 and 106,293.20

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Solution

The fourth proportional to 372,531.74, 558,891.93 and 106,293.20 is: 159,466.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,531.74 : 558,891.93 = 106,293.20 : x
  2. Step 2: Convert to fraction form
    372,531.74/558,891.93 = 106,293.20/x
  3. Step 3: Cross multiply
    372,531.74x = 558,891.93 × 106,293.20
  4. Step 4: Simplify right side
    372,531.74x = 59,406,408,899.42
  5. Step 5: Solve for x
    x = 59,406,408,899.42/372,531.74
  6. Step 6: Final answer
    x = 159,466.71

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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.