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Finding the Fourth Proportional to 168,624.86, 232,682.40 and 100,629.26

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Solution

The fourth proportional to 168,624.86, 232,682.40 and 100,629.26 is: 138,856.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,624.86 : 232,682.40 = 100,629.26 : x
  2. Step 2: Convert to fraction form
    168,624.86/232,682.40 = 100,629.26/x
  3. Step 3: Cross multiply
    168,624.86x = 232,682.40 × 100,629.26
  4. Step 4: Simplify right side
    168,624.86x = 23,414,657,727.02
  5. Step 5: Solve for x
    x = 23,414,657,727.02/168,624.86
  6. Step 6: Final answer
    x = 138,856.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.