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Finding the Fourth Proportional to 104,590.92, 144,336.59 and 56,844.27

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Solution

The fourth proportional to 104,590.92, 144,336.59 and 56,844.27 is: 78,445.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,590.92 : 144,336.59 = 56,844.27 : x
  2. Step 2: Convert to fraction form
    104,590.92/144,336.59 = 56,844.27/x
  3. Step 3: Cross multiply
    104,590.92x = 144,336.59 × 56,844.27
  4. Step 4: Simplify right side
    104,590.92x = 8,204,707,808.62
  5. Step 5: Solve for x
    x = 8,204,707,808.62/104,590.92
  6. Step 6: Final answer
    x = 78,445.70

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1.5x scale

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.