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Finding the Fourth Proportional to 79,261.93, 109,383.51 and 44,803.90

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Solution

The fourth proportional to 79,261.93, 109,383.51 and 44,803.90 is: 61,830.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,261.93 : 109,383.51 = 44,803.90 : x
  2. Step 2: Convert to fraction form
    79,261.93/109,383.51 = 44,803.90/x
  3. Step 3: Cross multiply
    79,261.93x = 109,383.51 × 44,803.90
  4. Step 4: Simplify right side
    79,261.93x = 4,900,807,843.69
  5. Step 5: Solve for x
    x = 4,900,807,843.69/79,261.93
  6. Step 6: Final answer
    x = 61,830.54

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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.