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Finding the Fourth Proportional to 125,407.59, 188,109.34 and 50,525.93

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Solution

The fourth proportional to 125,407.59, 188,109.34 and 50,525.93 is: 75,788.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,407.59 : 188,109.34 = 50,525.93 : x
  2. Step 2: Convert to fraction form
    125,407.59/188,109.34 = 50,525.93/x
  3. Step 3: Cross multiply
    125,407.59x = 188,109.34 × 50,525.93
  4. Step 4: Simplify right side
    125,407.59x = 9,504,398,631.03
  5. Step 5: Solve for x
    x = 9,504,398,631.03/125,407.59
  6. Step 6: Final answer
    x = 75,788.06

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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.