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Finding the Fourth Proportional to 85,119.52, 127,620.04 and 37,708.88

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Solution

The fourth proportional to 85,119.52, 127,620.04 and 37,708.88 is: 56,537.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,119.52 : 127,620.04 = 37,708.88 : x
  2. Step 2: Convert to fraction form
    85,119.52/127,620.04 = 37,708.88/x
  3. Step 3: Cross multiply
    85,119.52x = 127,620.04 × 37,708.88
  4. Step 4: Simplify right side
    85,119.52x = 4,812,408,773.96
  5. Step 5: Solve for x
    x = 4,812,408,773.96/85,119.52
  6. Step 6: Final answer
    x = 56,537.08

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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.