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Finding the Fourth Proportional to 96,115.70, 132,635.43 and 53,673.32

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Solution

The fourth proportional to 96,115.70, 132,635.43 and 53,673.32 is: 74,066.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,115.70 : 132,635.43 = 53,673.32 : x
  2. Step 2: Convert to fraction form
    96,115.70/132,635.43 = 53,673.32/x
  3. Step 3: Cross multiply
    96,115.70x = 132,635.43 × 53,673.32
  4. Step 4: Simplify right side
    96,115.70x = 7,118,984,209.32
  5. Step 5: Solve for x
    x = 7,118,984,209.32/96,115.70
  6. Step 6: Final answer
    x = 74,066.82

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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.