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Finding the Fourth Proportional to 243,446.88, 335,955.80 and 134,548.16

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Solution

The fourth proportional to 243,446.88, 335,955.80 and 134,548.16 is: 185,675.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,446.88 : 335,955.80 = 134,548.16 : x
  2. Step 2: Convert to fraction form
    243,446.88/335,955.80 = 134,548.16/x
  3. Step 3: Cross multiply
    243,446.88x = 335,955.80 × 134,548.16
  4. Step 4: Simplify right side
    243,446.88x = 45,202,234,731.33
  5. Step 5: Solve for x
    x = 45,202,234,731.33/243,446.88
  6. Step 6: Final answer
    x = 185,675.97

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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.