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Finding the Fourth Proportional to 60,063.20, 89,965.20 and 49,695.20

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Solution

The fourth proportional to 60,063.20, 89,965.20 and 49,695.20 is: 74,435.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,063.20 : 89,965.20 = 49,695.20 : x
  2. Step 2: Convert to fraction form
    60,063.20/89,965.20 = 49,695.20/x
  3. Step 3: Cross multiply
    60,063.20x = 89,965.20 × 49,695.20
  4. Step 4: Simplify right side
    60,063.20x = 4,470,838,607.04
  5. Step 5: Solve for x
    x = 4,470,838,607.04/60,063.20
  6. Step 6: Final answer
    x = 74,435.57

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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.