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Finding the Fourth Proportional to 225,657.96, 338,487.30 and 57,178.32

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Solution

The fourth proportional to 225,657.96, 338,487.30 and 57,178.32 is: 85,767.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,657.96 : 338,487.30 = 57,178.32 : x
  2. Step 2: Convert to fraction form
    225,657.96/338,487.30 = 57,178.32/x
  3. Step 3: Cross multiply
    225,657.96x = 338,487.30 × 57,178.32
  4. Step 4: Simplify right side
    225,657.96x = 19,354,135,155.34
  5. Step 5: Solve for x
    x = 19,354,135,155.34/225,657.96
  6. Step 6: Final answer
    x = 85,767.57

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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.