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Finding the Fourth Proportional to 72,073.56, 99,471.48 and 40,244.52

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Solution

The fourth proportional to 72,073.56, 99,471.48 and 40,244.52 is: 55,543.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,073.56 : 99,471.48 = 40,244.52 : x
  2. Step 2: Convert to fraction form
    72,073.56/99,471.48 = 40,244.52/x
  3. Step 3: Cross multiply
    72,073.56x = 99,471.48 × 40,244.52
  4. Step 4: Simplify right side
    72,073.56x = 4,003,181,966.29
  5. Step 5: Solve for x
    x = 4,003,181,966.29/72,073.56
  6. Step 6: Final answer
    x = 55,543.00

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