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Finding the Fourth Proportional to 178,073.90, 267,110.85 and 170,200.70

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Solution

The fourth proportional to 178,073.90, 267,110.85 and 170,200.70 is: 255,301.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,073.90 : 267,110.85 = 170,200.70 : x
  2. Step 2: Convert to fraction form
    178,073.90/267,110.85 = 170,200.70/x
  3. Step 3: Cross multiply
    178,073.90x = 267,110.85 × 170,200.70
  4. Step 4: Simplify right side
    178,073.90x = 45,462,453,647.60
  5. Step 5: Solve for x
    x = 45,462,453,647.60/178,073.90
  6. Step 6: Final answer
    x = 255,301.05

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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.