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Finding the Fourth Proportional to 108,481.76, 149,703.22 and 60,079.08

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Solution

The fourth proportional to 108,481.76, 149,703.22 and 60,079.08 is: 82,908.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,481.76 : 149,703.22 = 60,079.08 : x
  2. Step 2: Convert to fraction form
    108,481.76/149,703.22 = 60,079.08/x
  3. Step 3: Cross multiply
    108,481.76x = 149,703.22 × 60,079.08
  4. Step 4: Simplify right side
    108,481.76x = 8,994,031,730.64
  5. Step 5: Solve for x
    x = 8,994,031,730.64/108,481.76
  6. Step 6: Final answer
    x = 82,908.24

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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.