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Finding the Fourth Proportional to 94,100.40, 129,854.61 and 51,659.91

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Solution

The fourth proportional to 94,100.40, 129,854.61 and 51,659.91 is: 71,288.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,100.40 : 129,854.61 = 51,659.91 : x
  2. Step 2: Convert to fraction form
    94,100.40/129,854.61 = 51,659.91/x
  3. Step 3: Cross multiply
    94,100.40x = 129,854.61 × 51,659.91
  4. Step 4: Simplify right side
    94,100.40x = 6,708,277,465.69
  5. Step 5: Solve for x
    x = 6,708,277,465.69/94,100.40
  6. Step 6: Final answer
    x = 71,288.51

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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.