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Finding the Fourth Proportional to 173,047.40, 259,724.70 and 148,164.20

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Solution

The fourth proportional to 173,047.40, 259,724.70 and 148,164.20 is: 222,377.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,047.40 : 259,724.70 = 148,164.20 : x
  2. Step 2: Convert to fraction form
    173,047.40/259,724.70 = 148,164.20/x
  3. Step 3: Cross multiply
    173,047.40x = 259,724.70 × 148,164.20
  4. Step 4: Simplify right side
    173,047.40x = 38,481,902,395.74
  5. Step 5: Solve for x
    x = 38,481,902,395.74/173,047.40
  6. Step 6: Final answer
    x = 222,377.81

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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.