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Finding the Fourth Proportional to 189,658.88, 284,666.88 and 96,231.68

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Solution

The fourth proportional to 189,658.88, 284,666.88 and 96,231.68 is: 144,438.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,658.88 : 284,666.88 = 96,231.68 : x
  2. Step 2: Convert to fraction form
    189,658.88/284,666.88 = 96,231.68/x
  3. Step 3: Cross multiply
    189,658.88x = 284,666.88 × 96,231.68
  4. Step 4: Simplify right side
    189,658.88x = 27,393,972,102.76
  5. Step 5: Solve for x
    x = 27,393,972,102.76/189,658.88
  6. Step 6: Final answer
    x = 144,438.12

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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.