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Finding the Fourth Proportional to 135,242.53, 202,882.25 and 56,338.30

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Solution

The fourth proportional to 135,242.53, 202,882.25 and 56,338.30 is: 84,515.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,242.53 : 202,882.25 = 56,338.30 : x
  2. Step 2: Convert to fraction form
    135,242.53/202,882.25 = 56,338.30/x
  3. Step 3: Cross multiply
    135,242.53x = 202,882.25 × 56,338.30
  4. Step 4: Simplify right side
    135,242.53x = 11,430,041,065.18
  5. Step 5: Solve for x
    x = 11,430,041,065.18/135,242.53
  6. Step 6: Final answer
    x = 84,515.14

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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.