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Finding the Fourth Proportional to 73,108.10, 109,662.15 and 26,365.70

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Solution

The fourth proportional to 73,108.10, 109,662.15 and 26,365.70 is: 39,548.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,108.10 : 109,662.15 = 26,365.70 : x
  2. Step 2: Convert to fraction form
    73,108.10/109,662.15 = 26,365.70/x
  3. Step 3: Cross multiply
    73,108.10x = 109,662.15 × 26,365.70
  4. Step 4: Simplify right side
    73,108.10x = 2,891,319,348.26
  5. Step 5: Solve for x
    x = 2,891,319,348.26/73,108.10
  6. Step 6: Final answer
    x = 39,548.55

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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.