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Finding the Fourth Proportional to 247,999.14, 342,241.23 and 134,824.32

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Solution

The fourth proportional to 247,999.14, 342,241.23 and 134,824.32 is: 186,058.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,999.14 : 342,241.23 = 134,824.32 : x
  2. Step 2: Convert to fraction form
    247,999.14/342,241.23 = 134,824.32/x
  3. Step 3: Cross multiply
    247,999.14x = 342,241.23 × 134,824.32
  4. Step 4: Simplify right side
    247,999.14x = 46,142,441,110.71
  5. Step 5: Solve for x
    x = 46,142,441,110.71/247,999.14
  6. Step 6: Final answer
    x = 186,058.88

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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.