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Finding the Fourth Proportional to 231,845.60, 347,487.60 and 98,445.80

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Solution

The fourth proportional to 231,845.60, 347,487.60 and 98,445.80 is: 147,549.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,845.60 : 347,487.60 = 98,445.80 : x
  2. Step 2: Convert to fraction form
    231,845.60/347,487.60 = 98,445.80/x
  3. Step 3: Cross multiply
    231,845.60x = 347,487.60 × 98,445.80
  4. Step 4: Simplify right side
    231,845.60x = 34,208,694,772.08
  5. Step 5: Solve for x
    x = 34,208,694,772.08/231,845.60
  6. Step 6: Final answer
    x = 147,549.47

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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.