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Finding the Fourth Proportional to 125,700.84, 188,579.16 and 41,487.12

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Solution

The fourth proportional to 125,700.84, 188,579.16 and 41,487.12 is: 62,239.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,700.84 : 188,579.16 = 41,487.12 : x
  2. Step 2: Convert to fraction form
    125,700.84/188,579.16 = 41,487.12/x
  3. Step 3: Cross multiply
    125,700.84x = 188,579.16 × 41,487.12
  4. Step 4: Simplify right side
    125,700.84x = 7,823,606,240.42
  5. Step 5: Solve for x
    x = 7,823,606,240.42/125,700.84
  6. Step 6: Final answer
    x = 62,239.89

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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.