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Finding the Fourth Proportional to 178,370.80, 267,556.20 and 162,041.20

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Solution

The fourth proportional to 178,370.80, 267,556.20 and 162,041.20 is: 243,061.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,370.80 : 267,556.20 = 162,041.20 : x
  2. Step 2: Convert to fraction form
    178,370.80/267,556.20 = 162,041.20/x
  3. Step 3: Cross multiply
    178,370.80x = 267,556.20 × 162,041.20
  4. Step 4: Simplify right side
    178,370.80x = 43,355,127,715.44
  5. Step 5: Solve for x
    x = 43,355,127,715.44/178,370.80
  6. Step 6: Final answer
    x = 243,061.80

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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.