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Finding the Fourth Proportional to 207,193.80, 310,671.63 and 100,541.10

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Solution

The fourth proportional to 207,193.80, 310,671.63 and 100,541.10 is: 150,753.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,193.80 : 310,671.63 = 100,541.10 : x
  2. Step 2: Convert to fraction form
    207,193.80/310,671.63 = 100,541.10/x
  3. Step 3: Cross multiply
    207,193.80x = 310,671.63 × 100,541.10
  4. Step 4: Simplify right side
    207,193.80x = 31,235,267,418.99
  5. Step 5: Solve for x
    x = 31,235,267,418.99/207,193.80
  6. Step 6: Final answer
    x = 150,753.87

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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.