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Finding the Fourth Proportional to 177,462.20, 266,193.30 and 145,969.40

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Solution

The fourth proportional to 177,462.20, 266,193.30 and 145,969.40 is: 218,954.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,462.20 : 266,193.30 = 145,969.40 : x
  2. Step 2: Convert to fraction form
    177,462.20/266,193.30 = 145,969.40/x
  3. Step 3: Cross multiply
    177,462.20x = 266,193.30 × 145,969.40
  4. Step 4: Simplify right side
    177,462.20x = 38,856,076,285.02
  5. Step 5: Solve for x
    x = 38,856,076,285.02/177,462.20
  6. Step 6: Final answer
    x = 218,954.10

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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.