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Finding the Fourth Proportional to 110,830.80, 152,944.44 and 62,432.88

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Solution

The fourth proportional to 110,830.80, 152,944.44 and 62,432.88 is: 86,156.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,830.80 : 152,944.44 = 62,432.88 : x
  2. Step 2: Convert to fraction form
    110,830.80/152,944.44 = 62,432.88/x
  3. Step 3: Cross multiply
    110,830.80x = 152,944.44 × 62,432.88
  4. Step 4: Simplify right side
    110,830.80x = 9,548,761,869.19
  5. Step 5: Solve for x
    x = 9,548,761,869.19/110,830.80
  6. Step 6: Final answer
    x = 86,156.21

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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.