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Finding the Fourth Proportional to 272,339.66, 408,520.48 and 94,864.62

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Solution

The fourth proportional to 272,339.66, 408,520.48 and 94,864.62 is: 142,300.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,339.66 : 408,520.48 = 94,864.62 : x
  2. Step 2: Convert to fraction form
    272,339.66/408,520.48 = 94,864.62/x
  3. Step 3: Cross multiply
    272,339.66x = 408,520.48 × 94,864.62
  4. Step 4: Simplify right side
    272,339.66x = 38,754,140,097.42
  5. Step 5: Solve for x
    x = 38,754,140,097.42/272,339.66
  6. Step 6: Final answer
    x = 142,300.76

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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.