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Finding the Fourth Proportional to 92,601.63, 138,807.10 and 36,418.96

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Solution

The fourth proportional to 92,601.63, 138,807.10 and 36,418.96 is: 54,590.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,601.63 : 138,807.10 = 36,418.96 : x
  2. Step 2: Convert to fraction form
    92,601.63/138,807.10 = 36,418.96/x
  3. Step 3: Cross multiply
    92,601.63x = 138,807.10 × 36,418.96
  4. Step 4: Simplify right side
    92,601.63x = 5,055,210,441.65
  5. Step 5: Solve for x
    x = 5,055,210,441.65/92,601.63
  6. Step 6: Final answer
    x = 54,590.94

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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.