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Finding the Fourth Proportional to 110,607.56, 152,589.90 and 74,784.44

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Solution

The fourth proportional to 110,607.56, 152,589.90 and 74,784.44 is: 103,169.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,607.56 : 152,589.90 = 74,784.44 : x
  2. Step 2: Convert to fraction form
    110,607.56/152,589.90 = 74,784.44/x
  3. Step 3: Cross multiply
    110,607.56x = 152,589.90 × 74,784.44
  4. Step 4: Simplify right side
    110,607.56x = 11,411,350,221.16
  5. Step 5: Solve for x
    x = 11,411,350,221.16/110,607.56
  6. Step 6: Final answer
    x = 103,169.71

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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.