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Finding the Fourth Proportional to 269,684.85, 372,167.96 and 148,830.69

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Solution

The fourth proportional to 269,684.85, 372,167.96 and 148,830.69 is: 205,387.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,684.85 : 372,167.96 = 148,830.69 : x
  2. Step 2: Convert to fraction form
    269,684.85/372,167.96 = 148,830.69/x
  3. Step 3: Cross multiply
    269,684.85x = 372,167.96 × 148,830.69
  4. Step 4: Simplify right side
    269,684.85x = 55,390,013,538.54
  5. Step 5: Solve for x
    x = 55,390,013,538.54/269,684.85
  6. Step 6: Final answer
    x = 205,387.93

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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.