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Finding the Fourth Proportional to 119,687.55, 179,557.65 and 35,454.30

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Solution

The fourth proportional to 119,687.55, 179,557.65 and 35,454.30 is: 53,189.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,687.55 : 179,557.65 = 35,454.30 : x
  2. Step 2: Convert to fraction form
    119,687.55/179,557.65 = 35,454.30/x
  3. Step 3: Cross multiply
    119,687.55x = 179,557.65 × 35,454.30
  4. Step 4: Simplify right side
    119,687.55x = 6,366,090,790.40
  5. Step 5: Solve for x
    x = 6,366,090,790.40/119,687.55
  6. Step 6: Final answer
    x = 53,189.25

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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.