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Finding the Fourth Proportional to 256,565.08, 353,687.32 and 179,845.12

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Solution

The fourth proportional to 256,565.08, 353,687.32 and 179,845.12 is: 247,925.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,565.08 : 353,687.32 = 179,845.12 : x
  2. Step 2: Convert to fraction form
    256,565.08/353,687.32 = 179,845.12/x
  3. Step 3: Cross multiply
    256,565.08x = 353,687.32 × 179,845.12
  4. Step 4: Simplify right side
    256,565.08x = 63,608,938,507.88
  5. Step 5: Solve for x
    x = 63,608,938,507.88/256,565.08
  6. Step 6: Final answer
    x = 247,925.16

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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.