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Finding the Fourth Proportional to 96,744.69, 144,969.08 and 40,554.16

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Solution

The fourth proportional to 96,744.69, 144,969.08 and 40,554.16 is: 60,769.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,744.69 : 144,969.08 = 40,554.16 : x
  2. Step 2: Convert to fraction form
    96,744.69/144,969.08 = 40,554.16/x
  3. Step 3: Cross multiply
    96,744.69x = 144,969.08 × 40,554.16
  4. Step 4: Simplify right side
    96,744.69x = 5,879,098,700.18
  5. Step 5: Solve for x
    x = 5,879,098,700.18/96,744.69
  6. Step 6: Final answer
    x = 60,769.21

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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.