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Finding the Fourth Proportional to 79,801.81, 110,125.15 and 43,503.65

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Solution

The fourth proportional to 79,801.81, 110,125.15 and 43,503.65 is: 60,034.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,801.81 : 110,125.15 = 43,503.65 : x
  2. Step 2: Convert to fraction form
    79,801.81/110,125.15 = 43,503.65/x
  3. Step 3: Cross multiply
    79,801.81x = 110,125.15 × 43,503.65
  4. Step 4: Simplify right side
    79,801.81x = 4,790,845,981.80
  5. Step 5: Solve for x
    x = 4,790,845,981.80/79,801.81
  6. Step 6: Final answer
    x = 60,034.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.