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Finding the Fourth Proportional to 108,796.10, 163,210.62 and 38,658.74

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Solution

The fourth proportional to 108,796.10, 163,210.62 and 38,658.74 is: 57,993.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,796.10 : 163,210.62 = 38,658.74 : x
  2. Step 2: Convert to fraction form
    108,796.10/163,210.62 = 38,658.74/x
  3. Step 3: Cross multiply
    108,796.10x = 163,210.62 × 38,658.74
  4. Step 4: Simplify right side
    108,796.10x = 6,309,516,923.82
  5. Step 5: Solve for x
    x = 6,309,516,923.82/108,796.10
  6. Step 6: Final answer
    x = 57,993.96

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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.