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Finding the Fourth Proportional to 125,753.70, 188,630.55 and 37,007.25

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Solution

The fourth proportional to 125,753.70, 188,630.55 and 37,007.25 is: 55,510.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,753.70 : 188,630.55 = 37,007.25 : x
  2. Step 2: Convert to fraction form
    125,753.70/188,630.55 = 37,007.25/x
  3. Step 3: Cross multiply
    125,753.70x = 188,630.55 × 37,007.25
  4. Step 4: Simplify right side
    125,753.70x = 6,980,697,921.49
  5. Step 5: Solve for x
    x = 6,980,697,921.49/125,753.70
  6. Step 6: Final answer
    x = 55,510.88

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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.