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Finding the Fourth Proportional to 101,512.60, 152,252.10 and 34,043.80

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Solution

The fourth proportional to 101,512.60, 152,252.10 and 34,043.80 is: 51,060.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,512.60 : 152,252.10 = 34,043.80 : x
  2. Step 2: Convert to fraction form
    101,512.60/152,252.10 = 34,043.80/x
  3. Step 3: Cross multiply
    101,512.60x = 152,252.10 × 34,043.80
  4. Step 4: Simplify right side
    101,512.60x = 5,183,240,041.98
  5. Step 5: Solve for x
    x = 5,183,240,041.98/101,512.60
  6. Step 6: Final answer
    x = 51,060.07

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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.