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Finding the Fourth Proportional to 96,385.64, 133,012.86 and 53,948.12

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Solution

The fourth proportional to 96,385.64, 133,012.86 and 53,948.12 is: 74,448.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,385.64 : 133,012.86 = 53,948.12 : x
  2. Step 2: Convert to fraction form
    96,385.64/133,012.86 = 53,948.12/x
  3. Step 3: Cross multiply
    96,385.64x = 133,012.86 × 53,948.12
  4. Step 4: Simplify right side
    96,385.64x = 7,175,793,732.82
  5. Step 5: Solve for x
    x = 7,175,793,732.82/96,385.64
  6. Step 6: Final answer
    x = 74,448.78

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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.