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Finding the Fourth Proportional to 231,501.60, 347,252.40 and 136,634.40

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Solution

The fourth proportional to 231,501.60, 347,252.40 and 136,634.40 is: 204,951.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,501.60 : 347,252.40 = 136,634.40 : x
  2. Step 2: Convert to fraction form
    231,501.60/347,252.40 = 136,634.40/x
  3. Step 3: Cross multiply
    231,501.60x = 347,252.40 × 136,634.40
  4. Step 4: Simplify right side
    231,501.60x = 47,446,623,322.56
  5. Step 5: Solve for x
    x = 47,446,623,322.56/231,501.60
  6. Step 6: Final answer
    x = 204,951.60

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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.