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Finding the Fourth Proportional to 167,908.60, 251,862.90 and 158,285.80

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Solution

The fourth proportional to 167,908.60, 251,862.90 and 158,285.80 is: 237,428.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,908.60 : 251,862.90 = 158,285.80 : x
  2. Step 2: Convert to fraction form
    167,908.60/251,862.90 = 158,285.80/x
  3. Step 3: Cross multiply
    167,908.60x = 251,862.90 × 158,285.80
  4. Step 4: Simplify right side
    167,908.60x = 39,866,320,616.82
  5. Step 5: Solve for x
    x = 39,866,320,616.82/167,908.60
  6. Step 6: Final answer
    x = 237,428.70

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1.5x scale

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.