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Finding the Fourth Proportional to 269,592.80, 372,034.53 and 148,739.18

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Solution

The fourth proportional to 269,592.80, 372,034.53 and 148,739.18 is: 205,258.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,592.80 : 372,034.53 = 148,739.18 : x
  2. Step 2: Convert to fraction form
    269,592.80/372,034.53 = 148,739.18/x
  3. Step 3: Cross multiply
    269,592.80x = 372,034.53 × 148,739.18
  4. Step 4: Simplify right side
    269,592.80x = 55,336,110,923.89
  5. Step 5: Solve for x
    x = 55,336,110,923.89/269,592.80
  6. Step 6: Final answer
    x = 205,258.12

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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.