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Finding the Fourth Proportional to 96,159.84, 143,987.40 and 67,927.20

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Solution

The fourth proportional to 96,159.84, 143,987.40 and 67,927.20 is: 101,712.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,159.84 : 143,987.40 = 67,927.20 : x
  2. Step 2: Convert to fraction form
    96,159.84/143,987.40 = 67,927.20/x
  3. Step 3: Cross multiply
    96,159.84x = 143,987.40 × 67,927.20
  4. Step 4: Simplify right side
    96,159.84x = 9,780,660,917.28
  5. Step 5: Solve for x
    x = 9,780,660,917.28/96,159.84
  6. Step 6: Final answer
    x = 101,712.53

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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.