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Finding the Fourth Proportional to 177,471.70, 266,207.55 and 163,954.90

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Solution

The fourth proportional to 177,471.70, 266,207.55 and 163,954.90 is: 245,932.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,471.70 : 266,207.55 = 163,954.90 : x
  2. Step 2: Convert to fraction form
    177,471.70/266,207.55 = 163,954.90/x
  3. Step 3: Cross multiply
    177,471.70x = 266,207.55 × 163,954.90
  4. Step 4: Simplify right side
    177,471.70x = 43,646,032,239.50
  5. Step 5: Solve for x
    x = 43,646,032,239.50/177,471.70
  6. Step 6: Final answer
    x = 245,932.35

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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.