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Finding the Fourth Proportional to 104,590.78, 144,335.27 and 56,844.11

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Solution

The fourth proportional to 104,590.78, 144,335.27 and 56,844.11 is: 78,444.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,590.78 : 144,335.27 = 56,844.11 : x
  2. Step 2: Convert to fraction form
    104,590.78/144,335.27 = 56,844.11/x
  3. Step 3: Cross multiply
    104,590.78x = 144,335.27 × 56,844.11
  4. Step 4: Simplify right side
    104,590.78x = 8,204,610,467.71
  5. Step 5: Solve for x
    x = 8,204,610,467.71/104,590.78
  6. Step 6: Final answer
    x = 78,444.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.