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Finding the Fourth Proportional to 177,955.40, 266,933.10 and 174,456.20

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Solution

The fourth proportional to 177,955.40, 266,933.10 and 174,456.20 is: 261,684.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,955.40 : 266,933.10 = 174,456.20 : x
  2. Step 2: Convert to fraction form
    177,955.40/266,933.10 = 174,456.20/x
  3. Step 3: Cross multiply
    177,955.40x = 266,933.10 × 174,456.20
  4. Step 4: Simplify right side
    177,955.40x = 46,568,134,280.22
  5. Step 5: Solve for x
    x = 46,568,134,280.22/177,955.40
  6. Step 6: Final answer
    x = 261,684.30

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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.