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Finding the Fourth Proportional to 104,730.90, 156,923.55 and 52,026.90

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Solution

The fourth proportional to 104,730.90, 156,923.55 and 52,026.90 is: 77,954.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,730.90 : 156,923.55 = 52,026.90 : x
  2. Step 2: Convert to fraction form
    104,730.90/156,923.55 = 52,026.90/x
  3. Step 3: Cross multiply
    104,730.90x = 156,923.55 × 52,026.90
  4. Step 4: Simplify right side
    104,730.90x = 8,164,245,843.50
  5. Step 5: Solve for x
    x = 8,164,245,843.50/104,730.90
  6. Step 6: Final answer
    x = 77,954.51

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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.