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Finding the Fourth Proportional to 79,980.76, 110,374.28 and 44,171.68

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Solution

The fourth proportional to 79,980.76, 110,374.28 and 44,171.68 is: 60,957.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,980.76 : 110,374.28 = 44,171.68 : x
  2. Step 2: Convert to fraction form
    79,980.76/110,374.28 = 44,171.68/x
  3. Step 3: Cross multiply
    79,980.76x = 110,374.28 × 44,171.68
  4. Step 4: Simplify right side
    79,980.76x = 4,875,417,376.39
  5. Step 5: Solve for x
    x = 4,875,417,376.39/79,980.76
  6. Step 6: Final answer
    x = 60,957.38

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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.