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Finding the Fourth Proportional to 79,940.66, 110,319.01 and 44,130.69

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Solution

The fourth proportional to 79,940.66, 110,319.01 and 44,130.69 is: 60,900.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,940.66 : 110,319.01 = 44,130.69 : x
  2. Step 2: Convert to fraction form
    79,940.66/110,319.01 = 44,130.69/x
  3. Step 3: Cross multiply
    79,940.66x = 110,319.01 × 44,130.69
  4. Step 4: Simplify right side
    79,940.66x = 4,868,453,810.76
  5. Step 5: Solve for x
    x = 4,868,453,810.76/79,940.66
  6. Step 6: Final answer
    x = 60,900.85

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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.