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Finding the Fourth Proportional to 125,876.80, 188,815.20 and 46,997.17

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Solution

The fourth proportional to 125,876.80, 188,815.20 and 46,997.17 is: 70,495.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,876.80 : 188,815.20 = 46,997.17 : x
  2. Step 2: Convert to fraction form
    125,876.80/188,815.20 = 46,997.17/x
  3. Step 3: Cross multiply
    125,876.80x = 188,815.20 × 46,997.17
  4. Step 4: Simplify right side
    125,876.80x = 8,873,780,466.79
  5. Step 5: Solve for x
    x = 8,873,780,466.79/125,876.80
  6. Step 6: Final answer
    x = 70,495.76

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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.