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Finding the Fourth Proportional to 96,468.32, 133,110.80 and 54,028.64

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Solution

The fourth proportional to 96,468.32, 133,110.80 and 54,028.64 is: 74,550.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,468.32 : 133,110.80 = 54,028.64 : x
  2. Step 2: Convert to fraction form
    96,468.32/133,110.80 = 54,028.64/x
  3. Step 3: Cross multiply
    96,468.32x = 133,110.80 × 54,028.64
  4. Step 4: Simplify right side
    96,468.32x = 7,191,795,493.31
  5. Step 5: Solve for x
    x = 7,191,795,493.31/96,468.32
  6. Step 6: Final answer
    x = 74,550.85

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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.