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Finding the Fourth Proportional to 79,842.70, 119,764.05 and 37,708.93

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Solution

The fourth proportional to 79,842.70, 119,764.05 and 37,708.93 is: 56,563.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,842.70 : 119,764.05 = 37,708.93 : x
  2. Step 2: Convert to fraction form
    79,842.70/119,764.05 = 37,708.93/x
  3. Step 3: Cross multiply
    79,842.70x = 119,764.05 × 37,708.93
  4. Step 4: Simplify right side
    79,842.70x = 4,516,174,177.97
  5. Step 5: Solve for x
    x = 4,516,174,177.97/79,842.70
  6. Step 6: Final answer
    x = 56,563.40

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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.