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Finding the Fourth Proportional to 252,008.75, 347,772.08 and 138,833.93

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Solution

The fourth proportional to 252,008.75, 347,772.08 and 138,833.93 is: 191,590.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,008.75 : 347,772.08 = 138,833.93 : x
  2. Step 2: Convert to fraction form
    252,008.75/347,772.08 = 138,833.93/x
  3. Step 3: Cross multiply
    252,008.75x = 347,772.08 × 138,833.93
  4. Step 4: Simplify right side
    252,008.75x = 48,282,564,610.67
  5. Step 5: Solve for x
    x = 48,282,564,610.67/252,008.75
  6. Step 6: Final answer
    x = 191,590.83

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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.