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Finding the Fourth Proportional to 157,881.60, 237,405.60 and 132,220.80

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Solution

The fourth proportional to 157,881.60, 237,405.60 and 132,220.80 is: 198,819.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,881.60 : 237,405.60 = 132,220.80 : x
  2. Step 2: Convert to fraction form
    157,881.60/237,405.60 = 132,220.80/x
  3. Step 3: Cross multiply
    157,881.60x = 237,405.60 × 132,220.80
  4. Step 4: Simplify right side
    157,881.60x = 31,389,958,356.48
  5. Step 5: Solve for x
    x = 31,389,958,356.48/157,881.60
  6. Step 6: Final answer
    x = 198,819.61

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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.