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Finding the Fourth Proportional to 235,380.80, 324,793.44 and 139,852.64

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Solution

The fourth proportional to 235,380.80, 324,793.44 and 139,852.64 is: 192,977.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,380.80 : 324,793.44 = 139,852.64 : x
  2. Step 2: Convert to fraction form
    235,380.80/324,793.44 = 139,852.64/x
  3. Step 3: Cross multiply
    235,380.80x = 324,793.44 × 139,852.64
  4. Step 4: Simplify right side
    235,380.80x = 45,423,220,038.68
  5. Step 5: Solve for x
    x = 45,423,220,038.68/235,380.80
  6. Step 6: Final answer
    x = 192,977.59

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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.