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Finding the Fourth Proportional to 49,104.80, 73,657.20 and 42,423.20

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Solution

The fourth proportional to 49,104.80, 73,657.20 and 42,423.20 is: 63,634.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,104.80 : 73,657.20 = 42,423.20 : x
  2. Step 2: Convert to fraction form
    49,104.80/73,657.20 = 42,423.20/x
  3. Step 3: Cross multiply
    49,104.80x = 73,657.20 × 42,423.20
  4. Step 4: Simplify right side
    49,104.80x = 3,124,774,127.04
  5. Step 5: Solve for x
    x = 3,124,774,127.04/49,104.80
  6. Step 6: Final answer
    x = 63,634.80

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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.