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Finding the Fourth Proportional to 125,722.80, 188,623.56 and 41,542.11

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Solution

The fourth proportional to 125,722.80, 188,623.56 and 41,542.11 is: 62,326.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,722.80 : 188,623.56 = 41,542.11 : x
  2. Step 2: Convert to fraction form
    125,722.80/188,623.56 = 41,542.11/x
  3. Step 3: Cross multiply
    125,722.80x = 188,623.56 × 41,542.11
  4. Step 4: Simplify right side
    125,722.80x = 7,835,820,678.11
  5. Step 5: Solve for x
    x = 7,835,820,678.11/125,722.80
  6. Step 6: Final answer
    x = 62,326.17

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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.