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Finding the Fourth Proportional to 247,232.70, 341,187.84 and 139,818.78

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Solution

The fourth proportional to 247,232.70, 341,187.84 and 139,818.78 is: 192,953.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,232.70 : 341,187.84 = 139,818.78 : x
  2. Step 2: Convert to fraction form
    247,232.70/341,187.84 = 139,818.78/x
  3. Step 3: Cross multiply
    247,232.70x = 341,187.84 × 139,818.78
  4. Step 4: Simplify right side
    247,232.70x = 47,704,467,539.64
  5. Step 5: Solve for x
    x = 47,704,467,539.64/247,232.70
  6. Step 6: Final answer
    x = 192,953.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.