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Finding the Fourth Proportional to 108,807.16, 163,241.22 and 38,693.56

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Solution

The fourth proportional to 108,807.16, 163,241.22 and 38,693.56 is: 58,051.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,807.16 : 163,241.22 = 38,693.56 : x
  2. Step 2: Convert to fraction form
    108,807.16/163,241.22 = 38,693.56/x
  3. Step 3: Cross multiply
    108,807.16x = 163,241.22 × 38,693.56
  4. Step 4: Simplify right side
    108,807.16x = 6,316,383,940.54
  5. Step 5: Solve for x
    x = 6,316,383,940.54/108,807.16
  6. Step 6: Final answer
    x = 58,051.18

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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.