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Finding the Fourth Proportional to 189,035.88, 283,553.81 and 155,621.93

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Solution

The fourth proportional to 189,035.88, 283,553.81 and 155,621.93 is: 233,432.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,035.88 : 283,553.81 = 155,621.93 : x
  2. Step 2: Convert to fraction form
    189,035.88/283,553.81 = 155,621.93/x
  3. Step 3: Cross multiply
    189,035.88x = 283,553.81 × 155,621.93
  4. Step 4: Simplify right side
    189,035.88x = 44,127,192,826.62
  5. Step 5: Solve for x
    x = 44,127,192,826.62/189,035.88
  6. Step 6: Final answer
    x = 233,432.90

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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.