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Finding the Fourth Proportional to 247,809.83, 341,994.48 and 140,380.75

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Solution

The fourth proportional to 247,809.83, 341,994.48 and 140,380.75 is: 193,735.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,809.83 : 341,994.48 = 140,380.75 : x
  2. Step 2: Convert to fraction form
    247,809.83/341,994.48 = 140,380.75/x
  3. Step 3: Cross multiply
    247,809.83x = 341,994.48 × 140,380.75
  4. Step 4: Simplify right side
    247,809.83x = 48,009,439,970.43
  5. Step 5: Solve for x
    x = 48,009,439,970.43/247,809.83
  6. Step 6: Final answer
    x = 193,735.01

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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.