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Finding the Fourth Proportional to 59,136.48, 88,549.20 and 45,295.20

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Solution

The fourth proportional to 59,136.48, 88,549.20 and 45,295.20 is: 67,823.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,136.48 : 88,549.20 = 45,295.20 : x
  2. Step 2: Convert to fraction form
    59,136.48/88,549.20 = 45,295.20/x
  3. Step 3: Cross multiply
    59,136.48x = 88,549.20 × 45,295.20
  4. Step 4: Simplify right side
    59,136.48x = 4,010,853,723.84
  5. Step 5: Solve for x
    x = 4,010,853,723.84/59,136.48
  6. Step 6: Final answer
    x = 67,823.68

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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.