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Finding the Fourth Proportional to 73,701.60, 110,487.60 and 44,131.20

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Solution

The fourth proportional to 73,701.60, 110,487.60 and 44,131.20 is: 66,158.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,701.60 : 110,487.60 = 44,131.20 : x
  2. Step 2: Convert to fraction form
    73,701.60/110,487.60 = 44,131.20/x
  3. Step 3: Cross multiply
    73,701.60x = 110,487.60 × 44,131.20
  4. Step 4: Simplify right side
    73,701.60x = 4,875,950,373.12
  5. Step 5: Solve for x
    x = 4,875,950,373.12/73,701.60
  6. Step 6: Final answer
    x = 66,158.00

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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.