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Finding the Fourth Proportional to 104,590.79, 144,336.41 and 56,844.14

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Solution

The fourth proportional to 104,590.79, 144,336.41 and 56,844.14 is: 78,445.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,590.79 : 144,336.41 = 56,844.14 : x
  2. Step 2: Convert to fraction form
    104,590.79/144,336.41 = 56,844.14/x
  3. Step 3: Cross multiply
    104,590.79x = 144,336.41 × 56,844.14
  4. Step 4: Simplify right side
    104,590.79x = 8,204,678,452.08
  5. Step 5: Solve for x
    x = 8,204,678,452.08/104,590.79
  6. Step 6: Final answer
    x = 78,445.52

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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.