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Finding the Fourth Proportional to 83,478.66, 125,232.57 and 36,730.32

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Solution

The fourth proportional to 83,478.66, 125,232.57 and 36,730.32 is: 55,101.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,478.66 : 125,232.57 = 36,730.32 : x
  2. Step 2: Convert to fraction form
    83,478.66/125,232.57 = 36,730.32/x
  3. Step 3: Cross multiply
    83,478.66x = 125,232.57 × 36,730.32
  4. Step 4: Simplify right side
    83,478.66x = 4,599,832,370.52
  5. Step 5: Solve for x
    x = 4,599,832,370.52/83,478.66
  6. Step 6: Final answer
    x = 55,101.90

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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.