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Finding the Fourth Proportional to 244,547.80, 366,821.70 and 111,687.55

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Solution

The fourth proportional to 244,547.80, 366,821.70 and 111,687.55 is: 167,531.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,547.80 : 366,821.70 = 111,687.55 : x
  2. Step 2: Convert to fraction form
    244,547.80/366,821.70 = 111,687.55/x
  3. Step 3: Cross multiply
    244,547.80x = 366,821.70 × 111,687.55
  4. Step 4: Simplify right side
    244,547.80x = 40,969,416,959.84
  5. Step 5: Solve for x
    x = 40,969,416,959.84/244,547.80
  6. Step 6: Final answer
    x = 167,531.33

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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.