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Finding the Fourth Proportional to 88,394.15, 132,590.51 and 58,542

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Solution

The fourth proportional to 88,394.15, 132,590.51 and 58,542 is: 87,812.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,394.15 : 132,590.51 = 58,542 : x
  2. Step 2: Convert to fraction form
    88,394.15/132,590.51 = 58,542/x
  3. Step 3: Cross multiply
    88,394.15x = 132,590.51 × 58,542
  4. Step 4: Simplify right side
    88,394.15x = 7,762,113,343.71
  5. Step 5: Solve for x
    x = 7,762,113,343.71/88,394.15
  6. Step 6: Final answer
    x = 87,812.53

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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.