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Finding the Fourth Proportional to 90,960.52, 125,526.51 and 50,676.59

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Solution

The fourth proportional to 90,960.52, 125,526.51 and 50,676.59 is: 69,934.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,960.52 : 125,526.51 = 50,676.59 : x
  2. Step 2: Convert to fraction form
    90,960.52/125,526.51 = 50,676.59/x
  3. Step 3: Cross multiply
    90,960.52x = 125,526.51 × 50,676.59
  4. Step 4: Simplify right side
    90,960.52x = 6,361,255,089.13
  5. Step 5: Solve for x
    x = 6,361,255,089.13/90,960.52
  6. Step 6: Final answer
    x = 69,934.24

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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.