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Finding the Fourth Proportional to 100,401.53, 150,607.22 and 25,522.29

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Solution

The fourth proportional to 100,401.53, 150,607.22 and 25,522.29 is: 38,284.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,401.53 : 150,607.22 = 25,522.29 : x
  2. Step 2: Convert to fraction form
    100,401.53/150,607.22 = 25,522.29/x
  3. Step 3: Cross multiply
    100,401.53x = 150,607.22 × 25,522.29
  4. Step 4: Simplify right side
    100,401.53x = 3,843,841,017.32
  5. Step 5: Solve for x
    x = 3,843,841,017.32/100,401.53
  6. Step 6: Final answer
    x = 38,284.69

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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.