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Finding the Fourth Proportional to 125,882.42, 188,954.84 and 55,810.94

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Solution

The fourth proportional to 125,882.42, 188,954.84 and 55,810.94 is: 83,774.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,882.42 : 188,954.84 = 55,810.94 : x
  2. Step 2: Convert to fraction form
    125,882.42/188,954.84 = 55,810.94/x
  3. Step 3: Cross multiply
    125,882.42x = 188,954.84 × 55,810.94
  4. Step 4: Simplify right side
    125,882.42x = 10,545,746,432.70
  5. Step 5: Solve for x
    x = 10,545,746,432.70/125,882.42
  6. Step 6: Final answer
    x = 83,774.58

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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.