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Finding the Fourth Proportional to 189,001.80, 283,502.70 and 114,352.20

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Solution

The fourth proportional to 189,001.80, 283,502.70 and 114,352.20 is: 171,528.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,001.80 : 283,502.70 = 114,352.20 : x
  2. Step 2: Convert to fraction form
    189,001.80/283,502.70 = 114,352.20/x
  3. Step 3: Cross multiply
    189,001.80x = 283,502.70 × 114,352.20
  4. Step 4: Simplify right side
    189,001.80x = 32,419,157,450.94
  5. Step 5: Solve for x
    x = 32,419,157,450.94/189,001.80
  6. Step 6: Final answer
    x = 171,528.30

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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.