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Finding the Fourth Proportional to 176,891.70, 243,695.37 and 123,084.18

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Solution

The fourth proportional to 176,891.70, 243,695.37 and 123,084.18 is: 169,567.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,891.70 : 243,695.37 = 123,084.18 : x
  2. Step 2: Convert to fraction form
    176,891.70/243,695.37 = 123,084.18/x
  3. Step 3: Cross multiply
    176,891.70x = 243,695.37 × 123,084.18
  4. Step 4: Simplify right side
    176,891.70x = 29,995,044,786.25
  5. Step 5: Solve for x
    x = 29,995,044,786.25/176,891.70
  6. Step 6: Final answer
    x = 169,567.28

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1.5x scale

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.