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Finding the Fourth Proportional to 100,502.13, 150,749 and 25,624.11

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Solution

The fourth proportional to 100,502.13, 150,749 and 25,624.11 is: 38,435.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,502.13 : 150,749 = 25,624.11 : x
  2. Step 2: Convert to fraction form
    100,502.13/150,749 = 25,624.11/x
  3. Step 3: Cross multiply
    100,502.13x = 150,749 × 25,624.11
  4. Step 4: Simplify right side
    100,502.13x = 3,862,808,958.39
  5. Step 5: Solve for x
    x = 3,862,808,958.39/100,502.13
  6. Step 6: Final answer
    x = 38,435.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.