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Finding the Fourth Proportional to 96,950.60, 133,791.84 and 54,509.15

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Solution

The fourth proportional to 96,950.60, 133,791.84 and 54,509.15 is: 75,222.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,950.60 : 133,791.84 = 54,509.15 : x
  2. Step 2: Convert to fraction form
    96,950.60/133,791.84 = 54,509.15/x
  3. Step 3: Cross multiply
    96,950.60x = 133,791.84 × 54,509.15
  4. Step 4: Simplify right side
    96,950.60x = 7,292,879,475.34
  5. Step 5: Solve for x
    x = 7,292,879,475.34/96,950.60
  6. Step 6: Final answer
    x = 75,222.63

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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.