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Finding the Fourth Proportional to 79,661.16, 119,509.08 and 24,255.72

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Solution

The fourth proportional to 79,661.16, 119,509.08 and 24,255.72 is: 36,388.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,661.16 : 119,509.08 = 24,255.72 : x
  2. Step 2: Convert to fraction form
    79,661.16/119,509.08 = 24,255.72/x
  3. Step 3: Cross multiply
    79,661.16x = 119,509.08 × 24,255.72
  4. Step 4: Simplify right side
    79,661.16x = 2,898,778,781.94
  5. Step 5: Solve for x
    x = 2,898,778,781.94/79,661.16
  6. Step 6: Final answer
    x = 36,388.86

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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.