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Finding the Fourth Proportional to 71,748.44, 99,061.62 and 44,901.80

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Solution

The fourth proportional to 71,748.44, 99,061.62 and 44,901.80 is: 61,995.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,748.44 : 99,061.62 = 44,901.80 : x
  2. Step 2: Convert to fraction form
    71,748.44/99,061.62 = 44,901.80/x
  3. Step 3: Cross multiply
    71,748.44x = 99,061.62 × 44,901.80
  4. Step 4: Simplify right side
    71,748.44x = 4,448,045,048.92
  5. Step 5: Solve for x
    x = 4,448,045,048.92/71,748.44
  6. Step 6: Final answer
    x = 61,995.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.