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Finding the Fourth Proportional to 79,899.93, 119,818.76 and 29,952.78

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Solution

The fourth proportional to 79,899.93, 119,818.76 and 29,952.78 is: 44,917.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,899.93 : 119,818.76 = 29,952.78 : x
  2. Step 2: Convert to fraction form
    79,899.93/119,818.76 = 29,952.78/x
  3. Step 3: Cross multiply
    79,899.93x = 119,818.76 × 29,952.78
  4. Step 4: Simplify right side
    79,899.93x = 3,588,904,958.15
  5. Step 5: Solve for x
    x = 3,588,904,958.15/79,899.93
  6. Step 6: Final answer
    x = 44,917.50

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1.5x scale

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.