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Finding the Fourth Proportional to 177,321.60, 265,982.40 and 121,334.40

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Solution

The fourth proportional to 177,321.60, 265,982.40 and 121,334.40 is: 182,001.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,321.60 : 265,982.40 = 121,334.40 : x
  2. Step 2: Convert to fraction form
    177,321.60/265,982.40 = 121,334.40/x
  3. Step 3: Cross multiply
    177,321.60x = 265,982.40 × 121,334.40
  4. Step 4: Simplify right side
    177,321.60x = 32,272,814,914.56
  5. Step 5: Solve for x
    x = 32,272,814,914.56/177,321.60
  6. Step 6: Final answer
    x = 182,001.60

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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.