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Finding the Fourth Proportional to 189,108.80, 283,663.20 and 174,528.80

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Solution

The fourth proportional to 189,108.80, 283,663.20 and 174,528.80 is: 261,793.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,108.80 : 283,663.20 = 174,528.80 : x
  2. Step 2: Convert to fraction form
    189,108.80/283,663.20 = 174,528.80/x
  3. Step 3: Cross multiply
    189,108.80x = 283,663.20 × 174,528.80
  4. Step 4: Simplify right side
    189,108.80x = 49,507,397,900.16
  5. Step 5: Solve for x
    x = 49,507,397,900.16/189,108.80
  6. Step 6: Final answer
    x = 261,793.20

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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.