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Finding the Fourth Proportional to 77,046.70, 115,590.30 and 24,456.10

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Solution

The fourth proportional to 77,046.70, 115,590.30 and 24,456.10 is: 36,690.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,046.70 : 115,590.30 = 24,456.10 : x
  2. Step 2: Convert to fraction form
    77,046.70/115,590.30 = 24,456.10/x
  3. Step 3: Cross multiply
    77,046.70x = 115,590.30 × 24,456.10
  4. Step 4: Simplify right side
    77,046.70x = 2,826,887,935.83
  5. Step 5: Solve for x
    x = 2,826,887,935.83/77,046.70
  6. Step 6: Final answer
    x = 36,690.58

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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.