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Finding the Fourth Proportional to 125,417.52, 188,085.96 and 41,154.84

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Solution

The fourth proportional to 125,417.52, 188,085.96 and 41,154.84 is: 61,719.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,417.52 : 188,085.96 = 41,154.84 : x
  2. Step 2: Convert to fraction form
    125,417.52/188,085.96 = 41,154.84/x
  3. Step 3: Cross multiply
    125,417.52x = 188,085.96 × 41,154.84
  4. Step 4: Simplify right side
    125,417.52x = 7,740,647,590.05
  5. Step 5: Solve for x
    x = 7,740,647,590.05/125,417.52
  6. Step 6: Final answer
    x = 61,719.03

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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.