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Finding the Fourth Proportional to 73,134.26, 109,701.37 and 17,730.26

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Solution

The fourth proportional to 73,134.26, 109,701.37 and 17,730.26 is: 26,595.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,134.26 : 109,701.37 = 17,730.26 : x
  2. Step 2: Convert to fraction form
    73,134.26/109,701.37 = 17,730.26/x
  3. Step 3: Cross multiply
    73,134.26x = 109,701.37 × 17,730.26
  4. Step 4: Simplify right side
    73,134.26x = 1,945,033,812.46
  5. Step 5: Solve for x
    x = 1,945,033,812.46/73,134.26
  6. Step 6: Final answer
    x = 26,595.39

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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.