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Finding the Fourth Proportional to 247,902.72, 342,109.44 and 134,725.56

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Solution

The fourth proportional to 247,902.72, 342,109.44 and 134,725.56 is: 185,923.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,902.72 : 342,109.44 = 134,725.56 : x
  2. Step 2: Convert to fraction form
    247,902.72/342,109.44 = 134,725.56/x
  3. Step 3: Cross multiply
    247,902.72x = 342,109.44 × 134,725.56
  4. Step 4: Simplify right side
    247,902.72x = 46,090,885,885.29
  5. Step 5: Solve for x
    x = 46,090,885,885.29/247,902.72
  6. Step 6: Final answer
    x = 185,923.28

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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.