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Finding the Fourth Proportional to 73,592.66, 110,363.46 and 20,988.02

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Solution

The fourth proportional to 73,592.66, 110,363.46 and 20,988.02 is: 31,474.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,592.66 : 110,363.46 = 20,988.02 : x
  2. Step 2: Convert to fraction form
    73,592.66/110,363.46 = 20,988.02/x
  3. Step 3: Cross multiply
    73,592.66x = 110,363.46 × 20,988.02
  4. Step 4: Simplify right side
    73,592.66x = 2,316,309,953.93
  5. Step 5: Solve for x
    x = 2,316,309,953.93/73,592.66
  6. Step 6: Final answer
    x = 31,474.74

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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.