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Finding the Fourth Proportional to 160,446.84, 221,418.38 and 88,828.04

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Solution

The fourth proportional to 160,446.84, 221,418.38 and 88,828.04 is: 122,583.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,446.84 : 221,418.38 = 88,828.04 : x
  2. Step 2: Convert to fraction form
    160,446.84/221,418.38 = 88,828.04/x
  3. Step 3: Cross multiply
    160,446.84x = 221,418.38 × 88,828.04
  4. Step 4: Simplify right side
    160,446.84x = 19,668,160,715.38
  5. Step 5: Solve for x
    x = 19,668,160,715.38/160,446.84
  6. Step 6: Final answer
    x = 122,583.66

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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.