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Finding the Fourth Proportional to 268,184.89, 402,326.52 and 127,943.50

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Solution

The fourth proportional to 268,184.89, 402,326.52 and 127,943.50 is: 191,938.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,184.89 : 402,326.52 = 127,943.50 : x
  2. Step 2: Convert to fraction form
    268,184.89/402,326.52 = 127,943.50/x
  3. Step 3: Cross multiply
    268,184.89x = 402,326.52 × 127,943.50
  4. Step 4: Simplify right side
    268,184.89x = 51,475,063,111.62
  5. Step 5: Solve for x
    x = 51,475,063,111.62/268,184.89
  6. Step 6: Final answer
    x = 191,938.71

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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.