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Finding the Fourth Proportional to 73,190.14, 101,002.47 and 39,655.90

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Solution

The fourth proportional to 73,190.14, 101,002.47 and 39,655.90 is: 54,725.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,190.14 : 101,002.47 = 39,655.90 : x
  2. Step 2: Convert to fraction form
    73,190.14/101,002.47 = 39,655.90/x
  3. Step 3: Cross multiply
    73,190.14x = 101,002.47 × 39,655.90
  4. Step 4: Simplify right side
    73,190.14x = 4,005,343,850.07
  5. Step 5: Solve for x
    x = 4,005,343,850.07/73,190.14
  6. Step 6: Final answer
    x = 54,725.18

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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.