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Finding the Fourth Proportional to 73,590.32, 110,046.36 and 54,650.72

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Solution

The fourth proportional to 73,590.32, 110,046.36 and 54,650.72 is: 81,724.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,590.32 : 110,046.36 = 54,650.72 : x
  2. Step 2: Convert to fraction form
    73,590.32/110,046.36 = 54,650.72/x
  3. Step 3: Cross multiply
    73,590.32x = 110,046.36 × 54,650.72
  4. Step 4: Simplify right side
    73,590.32x = 6,014,112,807.38
  5. Step 5: Solve for x
    x = 6,014,112,807.38/73,590.32
  6. Step 6: Final answer
    x = 81,724.24

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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.