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Finding the Fourth Proportional to 126,084.88, 189,133.80 and 32,591.44

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Solution

The fourth proportional to 126,084.88, 189,133.80 and 32,591.44 is: 48,888.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,084.88 : 189,133.80 = 32,591.44 : x
  2. Step 2: Convert to fraction form
    126,084.88/189,133.80 = 32,591.44/x
  3. Step 3: Cross multiply
    126,084.88x = 189,133.80 × 32,591.44
  4. Step 4: Simplify right side
    126,084.88x = 6,164,142,894.67
  5. Step 5: Solve for x
    x = 6,164,142,894.67/126,084.88
  6. Step 6: Final answer
    x = 48,888.84

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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.