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Finding the Fourth Proportional to 100,504.10, 150,756.15 and 25,624.10

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Solution

The fourth proportional to 100,504.10, 150,756.15 and 25,624.10 is: 38,436.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,504.10 : 150,756.15 = 25,624.10 : x
  2. Step 2: Convert to fraction form
    100,504.10/150,756.15 = 25,624.10/x
  3. Step 3: Cross multiply
    100,504.10x = 150,756.15 × 25,624.10
  4. Step 4: Simplify right side
    100,504.10x = 3,862,990,663.22
  5. Step 5: Solve for x
    x = 3,862,990,663.22/100,504.10
  6. Step 6: Final answer
    x = 38,436.15

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1.5x scale

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.