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Finding the Fourth Proportional to 126,493.60, 189,740.40 and 114,246.40

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Solution

The fourth proportional to 126,493.60, 189,740.40 and 114,246.40 is: 171,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,493.60 : 189,740.40 = 114,246.40 : x
  2. Step 2: Convert to fraction form
    126,493.60/189,740.40 = 114,246.40/x
  3. Step 3: Cross multiply
    126,493.60x = 189,740.40 × 114,246.40
  4. Step 4: Simplify right side
    126,493.60x = 21,677,157,634.56
  5. Step 5: Solve for x
    x = 21,677,157,634.56/126,493.60
  6. Step 6: Final answer
    x = 171,369.60

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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.