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Finding the Fourth Proportional to 92,314.15, 138,469.20 and 25,752.40

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Solution

The fourth proportional to 92,314.15, 138,469.20 and 25,752.40 is: 38,628.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,314.15 : 138,469.20 = 25,752.40 : x
  2. Step 2: Convert to fraction form
    92,314.15/138,469.20 = 25,752.40/x
  3. Step 3: Cross multiply
    92,314.15x = 138,469.20 × 25,752.40
  4. Step 4: Simplify right side
    92,314.15x = 3,565,914,226.08
  5. Step 5: Solve for x
    x = 3,565,914,226.08/92,314.15
  6. Step 6: Final answer
    x = 38,628.04

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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.