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Finding the Fourth Proportional to 268,982.65, 371,084.65 and 160,065.18

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Solution

The fourth proportional to 268,982.65, 371,084.65 and 160,065.18 is: 220,823.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,982.65 : 371,084.65 = 160,065.18 : x
  2. Step 2: Convert to fraction form
    268,982.65/371,084.65 = 160,065.18/x
  3. Step 3: Cross multiply
    268,982.65x = 371,084.65 × 160,065.18
  4. Step 4: Simplify right side
    268,982.65x = 59,397,730,897.32
  5. Step 5: Solve for x
    x = 59,397,730,897.32/268,982.65
  6. Step 6: Final answer
    x = 220,823.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.