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Finding the Fourth Proportional to 170,449.11, 255,673.53 and 45,790.11

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Solution

The fourth proportional to 170,449.11, 255,673.53 and 45,790.11 is: 68,685.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,449.11 : 255,673.53 = 45,790.11 : x
  2. Step 2: Convert to fraction form
    170,449.11/255,673.53 = 45,790.11/x
  3. Step 3: Cross multiply
    170,449.11x = 255,673.53 × 45,790.11
  4. Step 4: Simplify right side
    170,449.11x = 11,707,319,062.79
  5. Step 5: Solve for x
    x = 11,707,319,062.79/170,449.11
  6. Step 6: Final answer
    x = 68,685.13

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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.