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Finding the Fourth Proportional to 79,248.66, 118,756.34 and 34,834.74

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Solution

The fourth proportional to 79,248.66, 118,756.34 and 34,834.74 is: 52,200.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,248.66 : 118,756.34 = 34,834.74 : x
  2. Step 2: Convert to fraction form
    79,248.66/118,756.34 = 34,834.74/x
  3. Step 3: Cross multiply
    79,248.66x = 118,756.34 × 34,834.74
  4. Step 4: Simplify right side
    79,248.66x = 4,136,846,227.25
  5. Step 5: Solve for x
    x = 4,136,846,227.25/79,248.66
  6. Step 6: Final answer
    x = 52,200.84

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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.