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Finding the Fourth Proportional to 108,818.76, 163,259.73 and 38,703.54

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Solution

The fourth proportional to 108,818.76, 163,259.73 and 38,703.54 is: 58,066.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,818.76 : 163,259.73 = 38,703.54 : x
  2. Step 2: Convert to fraction form
    108,818.76/163,259.73 = 38,703.54/x
  3. Step 3: Cross multiply
    108,818.76x = 163,259.73 × 38,703.54
  4. Step 4: Simplify right side
    108,818.76x = 6,318,729,490.44
  5. Step 5: Solve for x
    x = 6,318,729,490.44/108,818.76
  6. Step 6: Final answer
    x = 58,066.55

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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.