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Finding the Fourth Proportional to 104,392.64, 156,569.28 and 29,512.19

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Solution

The fourth proportional to 104,392.64, 156,569.28 and 29,512.19 is: 44,262.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,392.64 : 156,569.28 = 29,512.19 : x
  2. Step 2: Convert to fraction form
    104,392.64/156,569.28 = 29,512.19/x
  3. Step 3: Cross multiply
    104,392.64x = 156,569.28 × 29,512.19
  4. Step 4: Simplify right side
    104,392.64x = 4,620,702,339.52
  5. Step 5: Solve for x
    x = 4,620,702,339.52/104,392.64
  6. Step 6: Final answer
    x = 44,262.72

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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.