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Finding the Fourth Proportional to 177,751.40, 266,772.90 and 171,919.40

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Solution

The fourth proportional to 177,751.40, 266,772.90 and 171,919.40 is: 258,020.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,751.40 : 266,772.90 = 171,919.40 : x
  2. Step 2: Convert to fraction form
    177,751.40/266,772.90 = 171,919.40/x
  3. Step 3: Cross multiply
    177,751.40x = 266,772.90 × 171,919.40
  4. Step 4: Simplify right side
    177,751.40x = 45,863,436,904.26
  5. Step 5: Solve for x
    x = 45,863,436,904.26/177,751.40
  6. Step 6: Final answer
    x = 258,020.12

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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.