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Finding the Fourth Proportional to 123,924.60, 185,888.52 and 49,012.56

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Solution

The fourth proportional to 123,924.60, 185,888.52 and 49,012.56 is: 73,519.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,924.60 : 185,888.52 = 49,012.56 : x
  2. Step 2: Convert to fraction form
    123,924.60/185,888.52 = 49,012.56/x
  3. Step 3: Cross multiply
    123,924.60x = 185,888.52 × 49,012.56
  4. Step 4: Simplify right side
    123,924.60x = 9,110,872,239.81
  5. Step 5: Solve for x
    x = 9,110,872,239.81/123,924.60
  6. Step 6: Final answer
    x = 73,519.48

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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.