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Finding the Fourth Proportional to 125,655.84, 188,516.16 and 36,912.24

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Solution

The fourth proportional to 125,655.84, 188,516.16 and 36,912.24 is: 55,377.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,655.84 : 188,516.16 = 36,912.24 : x
  2. Step 2: Convert to fraction form
    125,655.84/188,516.16 = 36,912.24/x
  3. Step 3: Cross multiply
    125,655.84x = 188,516.16 × 36,912.24
  4. Step 4: Simplify right side
    125,655.84x = 6,958,553,741.80
  5. Step 5: Solve for x
    x = 6,958,553,741.80/125,655.84
  6. Step 6: Final answer
    x = 55,377.88

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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.