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Finding the Fourth Proportional to 96,064.39, 143,801.31 and 81,892.63

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Solution

The fourth proportional to 96,064.39, 143,801.31 and 81,892.63 is: 122,587.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,064.39 : 143,801.31 = 81,892.63 : x
  2. Step 2: Convert to fraction form
    96,064.39/143,801.31 = 81,892.63/x
  3. Step 3: Cross multiply
    96,064.39x = 143,801.31 × 81,892.63
  4. Step 4: Simplify right side
    96,064.39x = 11,776,267,473.35
  5. Step 5: Solve for x
    x = 11,776,267,473.35/96,064.39
  6. Step 6: Final answer
    x = 122,587.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.