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Finding the Fourth Proportional to 192,280.61, 288,315.21 and 59,123.90

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Solution

The fourth proportional to 192,280.61, 288,315.21 and 59,123.90 is: 88,653.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,280.61 : 288,315.21 = 59,123.90 : x
  2. Step 2: Convert to fraction form
    192,280.61/288,315.21 = 59,123.90/x
  3. Step 3: Cross multiply
    192,280.61x = 288,315.21 × 59,123.90
  4. Step 4: Simplify right side
    192,280.61x = 17,046,319,644.52
  5. Step 5: Solve for x
    x = 17,046,319,644.52/192,280.61
  6. Step 6: Final answer
    x = 88,653.35

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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.