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Finding the Fourth Proportional to 104,029.40, 156,098.10 and 48,625.40

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Solution

The fourth proportional to 104,029.40, 156,098.10 and 48,625.40 is: 72,963.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,029.40 : 156,098.10 = 48,625.40 : x
  2. Step 2: Convert to fraction form
    104,029.40/156,098.10 = 48,625.40/x
  3. Step 3: Cross multiply
    104,029.40x = 156,098.10 × 48,625.40
  4. Step 4: Simplify right side
    104,029.40x = 7,590,332,551.74
  5. Step 5: Solve for x
    x = 7,590,332,551.74/104,029.40
  6. Step 6: Final answer
    x = 72,963.34

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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.