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Finding the Fourth Proportional to 107,034.20, 160,551.30 and 100,473.20

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Solution

The fourth proportional to 107,034.20, 160,551.30 and 100,473.20 is: 150,709.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,034.20 : 160,551.30 = 100,473.20 : x
  2. Step 2: Convert to fraction form
    107,034.20/160,551.30 = 100,473.20/x
  3. Step 3: Cross multiply
    107,034.20x = 160,551.30 × 100,473.20
  4. Step 4: Simplify right side
    107,034.20x = 16,131,102,875.16
  5. Step 5: Solve for x
    x = 16,131,102,875.16/107,034.20
  6. Step 6: Final answer
    x = 150,709.80

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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.