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Finding the Fourth Proportional to 110,131.32, 151,966.68 and 69,773.88

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Solution

The fourth proportional to 110,131.32, 151,966.68 and 69,773.88 is: 96,278.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,131.32 : 151,966.68 = 69,773.88 : x
  2. Step 2: Convert to fraction form
    110,131.32/151,966.68 = 69,773.88/x
  3. Step 3: Cross multiply
    110,131.32x = 151,966.68 × 69,773.88
  4. Step 4: Simplify right side
    110,131.32x = 10,603,304,894.32
  5. Step 5: Solve for x
    x = 10,603,304,894.32/110,131.32
  6. Step 6: Final answer
    x = 96,278.74

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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.