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Finding the Fourth Proportional to 60,242.76, 90,446.94 and 30,680.52

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Solution

The fourth proportional to 60,242.76, 90,446.94 and 30,680.52 is: 46,062.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,242.76 : 90,446.94 = 30,680.52 : x
  2. Step 2: Convert to fraction form
    60,242.76/90,446.94 = 30,680.52/x
  3. Step 3: Cross multiply
    60,242.76x = 90,446.94 × 30,680.52
  4. Step 4: Simplify right side
    60,242.76x = 2,774,959,151.61
  5. Step 5: Solve for x
    x = 2,774,959,151.61/60,242.76
  6. Step 6: Final answer
    x = 46,062.95

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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.