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Finding the Fourth Proportional to 71,334, 98,424.03 and 42,247.71

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Solution

The fourth proportional to 71,334, 98,424.03 and 42,247.71 is: 58,291.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,334 : 98,424.03 = 42,247.71 : x
  2. Step 2: Convert to fraction form
    71,334/98,424.03 = 42,247.71/x
  3. Step 3: Cross multiply
    71,334x = 98,424.03 × 42,247.71
  4. Step 4: Simplify right side
    71,334x = 4,158,189,876.47
  5. Step 5: Solve for x
    x = 4,158,189,876.47/71,334
  6. Step 6: Final answer
    x = 58,291.84

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.