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Finding the Fourth Proportional to 79,955.51, 110,340.32 and 44,147.78

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Solution

The fourth proportional to 79,955.51, 110,340.32 and 44,147.78 is: 60,924.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,955.51 : 110,340.32 = 44,147.78 : x
  2. Step 2: Convert to fraction form
    79,955.51/110,340.32 = 44,147.78/x
  3. Step 3: Cross multiply
    79,955.51x = 110,340.32 × 44,147.78
  4. Step 4: Simplify right side
    79,955.51x = 4,871,280,172.49
  5. Step 5: Solve for x
    x = 4,871,280,172.49/79,955.51
  6. Step 6: Final answer
    x = 60,924.89

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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.