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Finding the Fourth Proportional to 119,753.10, 179,643.56 and 39,798.27

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Solution

The fourth proportional to 119,753.10, 179,643.56 and 39,798.27 is: 59,702.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,753.10 : 179,643.56 = 39,798.27 : x
  2. Step 2: Convert to fraction form
    119,753.10/179,643.56 = 39,798.27/x
  3. Step 3: Cross multiply
    119,753.10x = 179,643.56 × 39,798.27
  4. Step 4: Simplify right side
    119,753.10x = 7,149,502,705.65
  5. Step 5: Solve for x
    x = 7,149,502,705.65/119,753.10
  6. Step 6: Final answer
    x = 59,702.03

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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.