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Finding the Fourth Proportional to 247,923.40, 372,230.70 and 154,611.40

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Solution

The fourth proportional to 247,923.40, 372,230.70 and 154,611.40 is: 232,132.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,923.40 : 372,230.70 = 154,611.40 : x
  2. Step 2: Convert to fraction form
    247,923.40/372,230.70 = 154,611.40/x
  3. Step 3: Cross multiply
    247,923.40x = 372,230.70 × 154,611.40
  4. Step 4: Simplify right side
    247,923.40x = 57,551,109,649.98
  5. Step 5: Solve for x
    x = 57,551,109,649.98/247,923.40
  6. Step 6: Final answer
    x = 232,132.63

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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.