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Finding the Fourth Proportional to 240,698.55, 332,169.12 and 131,807.52

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Solution

The fourth proportional to 240,698.55, 332,169.12 and 131,807.52 is: 181,897.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,698.55 : 332,169.12 = 131,807.52 : x
  2. Step 2: Convert to fraction form
    240,698.55/332,169.12 = 131,807.52/x
  3. Step 3: Cross multiply
    240,698.55x = 332,169.12 × 131,807.52
  4. Step 4: Simplify right side
    240,698.55x = 43,782,387,927.78
  5. Step 5: Solve for x
    x = 43,782,387,927.78/240,698.55
  6. Step 6: Final answer
    x = 181,897.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.