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Finding the Fourth Proportional to 89,851.47, 124,034.87 and 58,035.88

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Solution

The fourth proportional to 89,851.47, 124,034.87 and 58,035.88 is: 80,115.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,851.47 : 124,034.87 = 58,035.88 : x
  2. Step 2: Convert to fraction form
    89,851.47/124,034.87 = 58,035.88/x
  3. Step 3: Cross multiply
    89,851.47x = 124,034.87 × 58,035.88
  4. Step 4: Simplify right side
    89,851.47x = 7,198,472,831.14
  5. Step 5: Solve for x
    x = 7,198,472,831.14/89,851.47
  6. Step 6: Final answer
    x = 80,115.25

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Why These Related Problems?

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