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Finding the Fourth Proportional to 322,693.20, 484,070.15 and 94,988.97

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Solution

The fourth proportional to 322,693.20, 484,070.15 and 94,988.97 is: 142,492.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,693.20 : 484,070.15 = 94,988.97 : x
  2. Step 2: Convert to fraction form
    322,693.20/484,070.15 = 94,988.97/x
  3. Step 3: Cross multiply
    322,693.20x = 484,070.15 × 94,988.97
  4. Step 4: Simplify right side
    322,693.20x = 45,981,323,378.45
  5. Step 5: Solve for x
    x = 45,981,323,378.45/322,693.20
  6. Step 6: Final answer
    x = 142,492.38

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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.