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Finding the Fourth Proportional to 108,335.39, 149,498.42 and 63,014.67

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Solution

The fourth proportional to 108,335.39, 149,498.42 and 63,014.67 is: 86,957.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,335.39 : 149,498.42 = 63,014.67 : x
  2. Step 2: Convert to fraction form
    108,335.39/149,498.42 = 63,014.67/x
  3. Step 3: Cross multiply
    108,335.39x = 149,498.42 × 63,014.67
  4. Step 4: Simplify right side
    108,335.39x = 9,420,593,286.75
  5. Step 5: Solve for x
    x = 9,420,593,286.75/108,335.39
  6. Step 6: Final answer
    x = 86,957.68

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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.