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Finding the Fourth Proportional to 168,406.94, 232,400.44 and 91,925.72

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Solution

The fourth proportional to 168,406.94, 232,400.44 and 91,925.72 is: 126,856.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,406.94 : 232,400.44 = 91,925.72 : x
  2. Step 2: Convert to fraction form
    168,406.94/232,400.44 = 91,925.72/x
  3. Step 3: Cross multiply
    168,406.94x = 232,400.44 × 91,925.72
  4. Step 4: Simplify right side
    168,406.94x = 21,363,577,775.32
  5. Step 5: Solve for x
    x = 21,363,577,775.32/168,406.94
  6. Step 6: Final answer
    x = 126,856.87

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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.