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Finding the Fourth Proportional to 73,885.68, 101,962.08 and 40,351.68

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Solution

The fourth proportional to 73,885.68, 101,962.08 and 40,351.68 is: 55,685.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,885.68 : 101,962.08 = 40,351.68 : x
  2. Step 2: Convert to fraction form
    73,885.68/101,962.08 = 40,351.68/x
  3. Step 3: Cross multiply
    73,885.68x = 101,962.08 × 40,351.68
  4. Step 4: Simplify right side
    73,885.68x = 4,114,341,224.29
  5. Step 5: Solve for x
    x = 4,114,341,224.29/73,885.68
  6. Step 6: Final answer
    x = 55,685.23

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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.