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Finding the Fourth Proportional to 110,540.70, 152,544.87 and 65,218.77

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Solution

The fourth proportional to 110,540.70, 152,544.87 and 65,218.77 is: 90,001.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,540.70 : 152,544.87 = 65,218.77 : x
  2. Step 2: Convert to fraction form
    110,540.70/152,544.87 = 65,218.77/x
  3. Step 3: Cross multiply
    110,540.70x = 152,544.87 × 65,218.77
  4. Step 4: Simplify right side
    110,540.70x = 9,948,788,791.21
  5. Step 5: Solve for x
    x = 9,948,788,791.21/110,540.70
  6. Step 6: Final answer
    x = 90,001.14

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1.5x scale

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.