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Finding the Fourth Proportional to 108,813.16, 163,250.22 and 38,699.56

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Solution

The fourth proportional to 108,813.16, 163,250.22 and 38,699.56 is: 58,060.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,813.16 : 163,250.22 = 38,699.56 : x
  2. Step 2: Convert to fraction form
    108,813.16/163,250.22 = 38,699.56/x
  3. Step 3: Cross multiply
    108,813.16x = 163,250.22 × 38,699.56
  4. Step 4: Simplify right side
    108,813.16x = 6,317,711,683.90
  5. Step 5: Solve for x
    x = 6,317,711,683.90/108,813.16
  6. Step 6: Final answer
    x = 58,060.18

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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.