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Finding the Fourth Proportional to 169,517.80, 254,276.16 and 158,307.67

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Solution

The fourth proportional to 169,517.80, 254,276.16 and 158,307.67 is: 237,461.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,517.80 : 254,276.16 = 158,307.67 : x
  2. Step 2: Convert to fraction form
    169,517.80/254,276.16 = 158,307.67/x
  3. Step 3: Cross multiply
    169,517.80x = 254,276.16 × 158,307.67
  4. Step 4: Simplify right side
    169,517.80x = 40,253,866,426.15
  5. Step 5: Solve for x
    x = 40,253,866,426.15/169,517.80
  6. Step 6: Final answer
    x = 237,461.00

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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.