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Finding the Fourth Proportional to 94,149.77, 129,894.84 and 53,834.85

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Solution

The fourth proportional to 94,149.77, 129,894.84 and 53,834.85 is: 74,273.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,149.77 : 129,894.84 = 53,834.85 : x
  2. Step 2: Convert to fraction form
    94,149.77/129,894.84 = 53,834.85/x
  3. Step 3: Cross multiply
    94,149.77x = 129,894.84 × 53,834.85
  4. Step 4: Simplify right side
    94,149.77x = 6,992,869,227.17
  5. Step 5: Solve for x
    x = 6,992,869,227.17/94,149.77
  6. Step 6: Final answer
    x = 74,273.89

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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.