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Finding the Fourth Proportional to 231,801.60, 347,702.40 and 113,548.80

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Solution

The fourth proportional to 231,801.60, 347,702.40 and 113,548.80 is: 170,323.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,801.60 : 347,702.40 = 113,548.80 : x
  2. Step 2: Convert to fraction form
    231,801.60/347,702.40 = 113,548.80/x
  3. Step 3: Cross multiply
    231,801.60x = 347,702.40 × 113,548.80
  4. Step 4: Simplify right side
    231,801.60x = 39,481,190,277.12
  5. Step 5: Solve for x
    x = 39,481,190,277.12/231,801.60
  6. Step 6: Final answer
    x = 170,323.20

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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.