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Finding the Fourth Proportional to 108,379.01, 163,380.85 and 101,153.81

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Solution

The fourth proportional to 108,379.01, 163,380.85 and 101,153.81 is: 152,488.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,379.01 : 163,380.85 = 101,153.81 : x
  2. Step 2: Convert to fraction form
    108,379.01/163,380.85 = 101,153.81/x
  3. Step 3: Cross multiply
    108,379.01x = 163,380.85 × 101,153.81
  4. Step 4: Simplify right side
    108,379.01x = 16,526,595,614.11
  5. Step 5: Solve for x
    x = 16,526,595,614.11/108,379.01
  6. Step 6: Final answer
    x = 152,488.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.