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Finding the Fourth Proportional to 170,809.92, 256,227.12 and 49,225.50

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Solution

The fourth proportional to 170,809.92, 256,227.12 and 49,225.50 is: 73,841.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,809.92 : 256,227.12 = 49,225.50 : x
  2. Step 2: Convert to fraction form
    170,809.92/256,227.12 = 49,225.50/x
  3. Step 3: Cross multiply
    170,809.92x = 256,227.12 × 49,225.50
  4. Step 4: Simplify right side
    170,809.92x = 12,612,908,095.56
  5. Step 5: Solve for x
    x = 12,612,908,095.56/170,809.92
  6. Step 6: Final answer
    x = 73,841.78

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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.