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Finding the Fourth Proportional to 59,951.80, 89,927.70 and 51,641.20

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Solution

The fourth proportional to 59,951.80, 89,927.70 and 51,641.20 is: 77,461.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,951.80 : 89,927.70 = 51,641.20 : x
  2. Step 2: Convert to fraction form
    59,951.80/89,927.70 = 51,641.20/x
  3. Step 3: Cross multiply
    59,951.80x = 89,927.70 × 51,641.20
  4. Step 4: Simplify right side
    59,951.80x = 4,643,974,341.24
  5. Step 5: Solve for x
    x = 4,643,974,341.24/59,951.80
  6. Step 6: Final answer
    x = 77,461.80

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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.