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Finding the Fourth Proportional to 79,630.16, 119,419.08 and 35,255.96

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Solution

The fourth proportional to 79,630.16, 119,419.08 and 35,255.96 is: 52,872.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,630.16 : 119,419.08 = 35,255.96 : x
  2. Step 2: Convert to fraction form
    79,630.16/119,419.08 = 35,255.96/x
  3. Step 3: Cross multiply
    79,630.16x = 119,419.08 × 35,255.96
  4. Step 4: Simplify right side
    79,630.16x = 4,210,234,307.72
  5. Step 5: Solve for x
    x = 4,210,234,307.72/79,630.16
  6. Step 6: Final answer
    x = 52,872.36

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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.