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Finding the Fourth Proportional to 125,926.47, 188,873.42 and 37,189.35

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Solution

The fourth proportional to 125,926.47, 188,873.42 and 37,189.35 is: 55,779.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,926.47 : 188,873.42 = 37,189.35 : x
  2. Step 2: Convert to fraction form
    125,926.47/188,873.42 = 37,189.35/x
  3. Step 3: Cross multiply
    125,926.47x = 188,873.42 × 37,189.35
  4. Step 4: Simplify right side
    125,926.47x = 7,024,079,536.13
  5. Step 5: Solve for x
    x = 7,024,079,536.13/125,926.47
  6. Step 6: Final answer
    x = 55,779.21

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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.