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Finding the Fourth Proportional to 131,454.71, 197,215.32 and 36,684.88

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Solution

The fourth proportional to 131,454.71, 197,215.32 and 36,684.88 is: 55,036.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,454.71 : 197,215.32 = 36,684.88 : x
  2. Step 2: Convert to fraction form
    131,454.71/197,215.32 = 36,684.88/x
  3. Step 3: Cross multiply
    131,454.71x = 197,215.32 × 36,684.88
  4. Step 4: Simplify right side
    131,454.71x = 7,234,820,348.36
  5. Step 5: Solve for x
    x = 7,234,820,348.36/131,454.71
  6. Step 6: Final answer
    x = 55,036.60

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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.