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Finding the Fourth Proportional to 94,149.68, 129,927.59 and 51,708.22

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Solution

The fourth proportional to 94,149.68, 129,927.59 and 51,708.22 is: 71,357.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,149.68 : 129,927.59 = 51,708.22 : x
  2. Step 2: Convert to fraction form
    94,149.68/129,927.59 = 51,708.22/x
  3. Step 3: Cross multiply
    94,149.68x = 129,927.59 × 51,708.22
  4. Step 4: Simplify right side
    94,149.68x = 6,718,324,407.79
  5. Step 5: Solve for x
    x = 6,718,324,407.79/94,149.68
  6. Step 6: Final answer
    x = 71,357.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.