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Finding the Fourth Proportional to 73,881.96, 110,790.88 and 40,592.04

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Solution

The fourth proportional to 73,881.96, 110,790.88 and 40,592.04 is: 60,870.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,881.96 : 110,790.88 = 40,592.04 : x
  2. Step 2: Convert to fraction form
    73,881.96/110,790.88 = 40,592.04/x
  3. Step 3: Cross multiply
    73,881.96x = 110,790.88 × 40,592.04
  4. Step 4: Simplify right side
    73,881.96x = 4,497,227,832.60
  5. Step 5: Solve for x
    x = 4,497,227,832.60/73,881.96
  6. Step 6: Final answer
    x = 60,870.45

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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.