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Finding the Fourth Proportional to 79,152.60, 118,760.22 and 34,748.40

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Solution

The fourth proportional to 79,152.60, 118,760.22 and 34,748.40 is: 52,136.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,152.60 : 118,760.22 = 34,748.40 : x
  2. Step 2: Convert to fraction form
    79,152.60/118,760.22 = 34,748.40/x
  3. Step 3: Cross multiply
    79,152.60x = 118,760.22 × 34,748.40
  4. Step 4: Simplify right side
    79,152.60x = 4,126,727,628.65
  5. Step 5: Solve for x
    x = 4,126,727,628.65/79,152.60
  6. Step 6: Final answer
    x = 52,136.35

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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.