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Finding the Fourth Proportional to 110,402.01, 152,349.53 and 62,648.87

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Solution

The fourth proportional to 110,402.01, 152,349.53 and 62,648.87 is: 86,452.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,402.01 : 152,349.53 = 62,648.87 : x
  2. Step 2: Convert to fraction form
    110,402.01/152,349.53 = 62,648.87/x
  3. Step 3: Cross multiply
    110,402.01x = 152,349.53 × 62,648.87
  4. Step 4: Simplify right side
    110,402.01x = 9,544,524,824.54
  5. Step 5: Solve for x
    x = 9,544,524,824.54/110,402.01
  6. Step 6: Final answer
    x = 86,452.46

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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.