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Finding the Fourth Proportional to 177,958.80, 266,938.20 and 158,605.20

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Solution

The fourth proportional to 177,958.80, 266,938.20 and 158,605.20 is: 237,907.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,958.80 : 266,938.20 = 158,605.20 : x
  2. Step 2: Convert to fraction form
    177,958.80/266,938.20 = 158,605.20/x
  3. Step 3: Cross multiply
    177,958.80x = 266,938.20 × 158,605.20
  4. Step 4: Simplify right side
    177,958.80x = 42,337,786,598.64
  5. Step 5: Solve for x
    x = 42,337,786,598.64/177,958.80
  6. Step 6: Final answer
    x = 237,907.80

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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.