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Finding the Fourth Proportional to 104,392.78, 156,594.63 and 29,518.40

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Solution

The fourth proportional to 104,392.78, 156,594.63 and 29,518.40 is: 44,279.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,392.78 : 156,594.63 = 29,518.40 : x
  2. Step 2: Convert to fraction form
    104,392.78/156,594.63 = 29,518.40/x
  3. Step 3: Cross multiply
    104,392.78x = 156,594.63 × 29,518.40
  4. Step 4: Simplify right side
    104,392.78x = 4,622,422,926.19
  5. Step 5: Solve for x
    x = 4,622,422,926.19/104,392.78
  6. Step 6: Final answer
    x = 44,279.14

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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.