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Finding the Fourth Proportional to 61,374.54, 91,550.67 and 60,358.50

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Solution

The fourth proportional to 61,374.54, 91,550.67 and 60,358.50 is: 90,035.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,374.54 : 91,550.67 = 60,358.50 : x
  2. Step 2: Convert to fraction form
    61,374.54/91,550.67 = 60,358.50/x
  3. Step 3: Cross multiply
    61,374.54x = 91,550.67 × 60,358.50
  4. Step 4: Simplify right side
    61,374.54x = 5,525,861,115.20
  5. Step 5: Solve for x
    x = 5,525,861,115.20/61,374.54
  6. Step 6: Final answer
    x = 90,035.07

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.