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Finding the Fourth Proportional to 79,543.56, 119,285.01 and 35,146.08

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Solution

The fourth proportional to 79,543.56, 119,285.01 and 35,146.08 is: 52,705.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,543.56 : 119,285.01 = 35,146.08 : x
  2. Step 2: Convert to fraction form
    79,543.56/119,285.01 = 35,146.08/x
  3. Step 3: Cross multiply
    79,543.56x = 119,285.01 × 35,146.08
  4. Step 4: Simplify right side
    79,543.56x = 4,192,400,504.26
  5. Step 5: Solve for x
    x = 4,192,400,504.26/79,543.56
  6. Step 6: Final answer
    x = 52,705.72

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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.