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Finding the Fourth Proportional to 103,761.57, 155,392.84 and 59,253.42

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Solution

The fourth proportional to 103,761.57, 155,392.84 and 59,253.42 is: 88,737.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,761.57 : 155,392.84 = 59,253.42 : x
  2. Step 2: Convert to fraction form
    103,761.57/155,392.84 = 59,253.42/x
  3. Step 3: Cross multiply
    103,761.57x = 155,392.84 × 59,253.42
  4. Step 4: Simplify right side
    103,761.57x = 9,207,557,213.51
  5. Step 5: Solve for x
    x = 9,207,557,213.51/103,761.57
  6. Step 6: Final answer
    x = 88,737.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.