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Finding the Fourth Proportional to 110,472.48, 152,458.02 and 65,177.01

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Solution

The fourth proportional to 110,472.48, 152,458.02 and 65,177.01 is: 89,947.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,472.48 : 152,458.02 = 65,177.01 : x
  2. Step 2: Convert to fraction form
    110,472.48/152,458.02 = 65,177.01/x
  3. Step 3: Cross multiply
    110,472.48x = 152,458.02 × 65,177.01
  4. Step 4: Simplify right side
    110,472.48x = 9,936,757,894.12
  5. Step 5: Solve for x
    x = 9,936,757,894.12/110,472.48
  6. Step 6: Final answer
    x = 89,947.81

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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.