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Finding the Fourth Proportional to 108,015.39, 149,064.30 and 60,267.71

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Solution

The fourth proportional to 108,015.39, 149,064.30 and 60,267.71 is: 83,171.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,015.39 : 149,064.30 = 60,267.71 : x
  2. Step 2: Convert to fraction form
    108,015.39/149,064.30 = 60,267.71/x
  3. Step 3: Cross multiply
    108,015.39x = 149,064.30 × 60,267.71
  4. Step 4: Simplify right side
    108,015.39x = 8,983,764,376.41
  5. Step 5: Solve for x
    x = 8,983,764,376.41/108,015.39
  6. Step 6: Final answer
    x = 83,171.15

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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.