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Finding the Fourth Proportional to 169,773.30, 254,368.35 and 80,835.30

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Solution

The fourth proportional to 169,773.30, 254,368.35 and 80,835.30 is: 121,114.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,773.30 : 254,368.35 = 80,835.30 : x
  2. Step 2: Convert to fraction form
    169,773.30/254,368.35 = 80,835.30/x
  3. Step 3: Cross multiply
    169,773.30x = 254,368.35 × 80,835.30
  4. Step 4: Simplify right side
    169,773.30x = 20,561,941,882.76
  5. Step 5: Solve for x
    x = 20,561,941,882.76/169,773.30
  6. Step 6: Final answer
    x = 121,114.11

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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.