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Finding the Fourth Proportional to 247,999.64, 342,241.92 and 134,824.82

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Solution

The fourth proportional to 247,999.64, 342,241.92 and 134,824.82 is: 186,059.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,999.64 : 342,241.92 = 134,824.82 : x
  2. Step 2: Convert to fraction form
    247,999.64/342,241.92 = 134,824.82/x
  3. Step 3: Cross multiply
    247,999.64x = 342,241.92 × 134,824.82
  4. Step 4: Simplify right side
    247,999.64x = 46,142,705,260.45
  5. Step 5: Solve for x
    x = 46,142,705,260.45/247,999.64
  6. Step 6: Final answer
    x = 186,059.57

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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.