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Finding the Fourth Proportional to 79,777.54, 110,073.67 and 45,314.60

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Solution

The fourth proportional to 79,777.54, 110,073.67 and 45,314.60 is: 62,523.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,777.54 : 110,073.67 = 45,314.60 : x
  2. Step 2: Convert to fraction form
    79,777.54/110,073.67 = 45,314.60/x
  3. Step 3: Cross multiply
    79,777.54x = 110,073.67 × 45,314.60
  4. Step 4: Simplify right side
    79,777.54x = 4,987,944,326.58
  5. Step 5: Solve for x
    x = 4,987,944,326.58/79,777.54
  6. Step 6: Final answer
    x = 62,523.17

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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.