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Finding the Fourth Proportional to 70,253.92, 97,015.44 and 45,147.52

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Solution

The fourth proportional to 70,253.92, 97,015.44 and 45,147.52 is: 62,345.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,253.92 : 97,015.44 = 45,147.52 : x
  2. Step 2: Convert to fraction form
    70,253.92/97,015.44 = 45,147.52/x
  3. Step 3: Cross multiply
    70,253.92x = 97,015.44 × 45,147.52
  4. Step 4: Simplify right side
    70,253.92x = 4,380,006,517.71
  5. Step 5: Solve for x
    x = 4,380,006,517.71/70,253.92
  6. Step 6: Final answer
    x = 62,345.37

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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.