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Finding the Fourth Proportional to 85,099.52, 127,654.07 and 25,937.12

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Solution

The fourth proportional to 85,099.52, 127,654.07 and 25,937.12 is: 38,907.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,099.52 : 127,654.07 = 25,937.12 : x
  2. Step 2: Convert to fraction form
    85,099.52/127,654.07 = 25,937.12/x
  3. Step 3: Cross multiply
    85,099.52x = 127,654.07 × 25,937.12
  4. Step 4: Simplify right side
    85,099.52x = 3,310,978,293.81
  5. Step 5: Solve for x
    x = 3,310,978,293.81/85,099.52
  6. Step 6: Final answer
    x = 38,907.13

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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.