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Finding the Fourth Proportional to 94,081.30, 129,830.02 and 51,060.86

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Solution

The fourth proportional to 94,081.30, 129,830.02 and 51,060.86 is: 70,462.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,081.30 : 129,830.02 = 51,060.86 : x
  2. Step 2: Convert to fraction form
    94,081.30/129,830.02 = 51,060.86/x
  3. Step 3: Cross multiply
    94,081.30x = 129,830.02 × 51,060.86
  4. Step 4: Simplify right side
    94,081.30x = 6,629,233,202.59
  5. Step 5: Solve for x
    x = 6,629,233,202.59/94,081.30
  6. Step 6: Final answer
    x = 70,462.82

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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.