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Finding the Fourth Proportional to 108,663.66, 162,995.58 and 29,778.48

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Solution

The fourth proportional to 108,663.66, 162,995.58 and 29,778.48 is: 44,667.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,663.66 : 162,995.58 = 29,778.48 : x
  2. Step 2: Convert to fraction form
    108,663.66/162,995.58 = 29,778.48/x
  3. Step 3: Cross multiply
    108,663.66x = 162,995.58 × 29,778.48
  4. Step 4: Simplify right side
    108,663.66x = 4,853,760,619.12
  5. Step 5: Solve for x
    x = 4,853,760,619.12/108,663.66
  6. Step 6: Final answer
    x = 44,667.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.