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Finding the Fourth Proportional to 175,420.80, 263,131.20 and 160,905.60

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Solution

The fourth proportional to 175,420.80, 263,131.20 and 160,905.60 is: 241,358.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,420.80 : 263,131.20 = 160,905.60 : x
  2. Step 2: Convert to fraction form
    175,420.80/263,131.20 = 160,905.60/x
  3. Step 3: Cross multiply
    175,420.80x = 263,131.20 × 160,905.60
  4. Step 4: Simplify right side
    175,420.80x = 42,339,283,614.72
  5. Step 5: Solve for x
    x = 42,339,283,614.72/175,420.80
  6. Step 6: Final answer
    x = 241,358.40

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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.