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Finding the Fourth Proportional to 96,488.84, 144,955.08 and 68,091.20

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Solution

The fourth proportional to 96,488.84, 144,955.08 and 68,091.20 is: 102,293.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,488.84 : 144,955.08 = 68,091.20 : x
  2. Step 2: Convert to fraction form
    96,488.84/144,955.08 = 68,091.20/x
  3. Step 3: Cross multiply
    96,488.84x = 144,955.08 × 68,091.20
  4. Step 4: Simplify right side
    96,488.84x = 9,870,165,343.30
  5. Step 5: Solve for x
    x = 9,870,165,343.30/96,488.84
  6. Step 6: Final answer
    x = 102,293.34

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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.