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Finding the Fourth Proportional to 96,963.66, 133,810.65 and 54,521.82

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Solution

The fourth proportional to 96,963.66, 133,810.65 and 54,521.82 is: 75,240.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,963.66 : 133,810.65 = 54,521.82 : x
  2. Step 2: Convert to fraction form
    96,963.66/133,810.65 = 54,521.82/x
  3. Step 3: Cross multiply
    96,963.66x = 133,810.65 × 54,521.82
  4. Step 4: Simplify right side
    96,963.66x = 7,295,600,173.38
  5. Step 5: Solve for x
    x = 7,295,600,173.38/96,963.66
  6. Step 6: Final answer
    x = 75,240.56

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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.