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Finding the Fourth Proportional to 189,935.62, 284,798.23 and 77,694.65

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Solution

The fourth proportional to 189,935.62, 284,798.23 and 77,694.65 is: 116,498.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,935.62 : 284,798.23 = 77,694.65 : x
  2. Step 2: Convert to fraction form
    189,935.62/284,798.23 = 77,694.65/x
  3. Step 3: Cross multiply
    189,935.62x = 284,798.23 × 77,694.65
  4. Step 4: Simplify right side
    189,935.62x = 22,127,298,800.47
  5. Step 5: Solve for x
    x = 22,127,298,800.47/189,935.62
  6. Step 6: Final answer
    x = 116,498.94

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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.