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Finding the Fourth Proportional to 72,730.44, 108,920.70 and 41,470.92

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Solution

The fourth proportional to 72,730.44, 108,920.70 and 41,470.92 is: 62,106.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,730.44 : 108,920.70 = 41,470.92 : x
  2. Step 2: Convert to fraction form
    72,730.44/108,920.70 = 41,470.92/x
  3. Step 3: Cross multiply
    72,730.44x = 108,920.70 × 41,470.92
  4. Step 4: Simplify right side
    72,730.44x = 4,517,041,636.04
  5. Step 5: Solve for x
    x = 4,517,041,636.04/72,730.44
  6. Step 6: Final answer
    x = 62,106.62

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1.5x scale

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.