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Finding the Fourth Proportional to 79,906.30, 119,774.80 and 34,888.12

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Solution

The fourth proportional to 79,906.30, 119,774.80 and 34,888.12 is: 52,295.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,906.30 : 119,774.80 = 34,888.12 : x
  2. Step 2: Convert to fraction form
    79,906.30/119,774.80 = 34,888.12/x
  3. Step 3: Cross multiply
    79,906.30x = 119,774.80 × 34,888.12
  4. Step 4: Simplify right side
    79,906.30x = 4,178,717,339.55
  5. Step 5: Solve for x
    x = 4,178,717,339.55/79,906.30
  6. Step 6: Final answer
    x = 52,295.22

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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.