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Finding the Fourth Proportional to 168,843.48, 253,171.56 and 69,073.74

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Solution

The fourth proportional to 168,843.48, 253,171.56 and 69,073.74 is: 103,572.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,843.48 : 253,171.56 = 69,073.74 : x
  2. Step 2: Convert to fraction form
    168,843.48/253,171.56 = 69,073.74/x
  3. Step 3: Cross multiply
    168,843.48x = 253,171.56 × 69,073.74
  4. Step 4: Simplify right side
    168,843.48x = 17,487,506,510.83
  5. Step 5: Solve for x
    x = 17,487,506,510.83/168,843.48
  6. Step 6: Final answer
    x = 103,572.29

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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.