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Finding the Fourth Proportional to 108,873.72, 163,167.21 and 101,770.83

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Solution

The fourth proportional to 108,873.72, 163,167.21 and 101,770.83 is: 152,522.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,873.72 : 163,167.21 = 101,770.83 : x
  2. Step 2: Convert to fraction form
    108,873.72/163,167.21 = 101,770.83/x
  3. Step 3: Cross multiply
    108,873.72x = 163,167.21 × 101,770.83
  4. Step 4: Simplify right side
    108,873.72x = 16,605,662,390.48
  5. Step 5: Solve for x
    x = 16,605,662,390.48/108,873.72
  6. Step 6: Final answer
    x = 152,522.23

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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.