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Finding the Fourth Proportional to 75,347.27, 113,020.88 and 58,719.74

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Solution

The fourth proportional to 75,347.27, 113,020.88 and 58,719.74 is: 88,079.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,347.27 : 113,020.88 = 58,719.74 : x
  2. Step 2: Convert to fraction form
    75,347.27/113,020.88 = 58,719.74/x
  3. Step 3: Cross multiply
    75,347.27x = 113,020.88 × 58,719.74
  4. Step 4: Simplify right side
    75,347.27x = 6,636,555,829.47
  5. Step 5: Solve for x
    x = 6,636,555,829.47/75,347.27
  6. Step 6: Final answer
    x = 88,079.58

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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.