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Finding the Fourth Proportional to 125,914.30, 188,885.29 and 41,643.77

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Solution

The fourth proportional to 125,914.30, 188,885.29 and 41,643.77 is: 62,470.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,914.30 : 188,885.29 = 41,643.77 : x
  2. Step 2: Convert to fraction form
    125,914.30/188,885.29 = 41,643.77/x
  3. Step 3: Cross multiply
    125,914.30x = 188,885.29 × 41,643.77
  4. Step 4: Simplify right side
    125,914.30x = 7,865,895,573.14
  5. Step 5: Solve for x
    x = 7,865,895,573.14/125,914.30
  6. Step 6: Final answer
    x = 62,470.23

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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.