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Finding the Fourth Proportional to 202,518.80, 303,720.15 and 60,358.13

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Solution

The fourth proportional to 202,518.80, 303,720.15 and 60,358.13 is: 90,519.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,518.80 : 303,720.15 = 60,358.13 : x
  2. Step 2: Convert to fraction form
    202,518.80/303,720.15 = 60,358.13/x
  3. Step 3: Cross multiply
    202,518.80x = 303,720.15 × 60,358.13
  4. Step 4: Simplify right side
    202,518.80x = 18,331,980,297.32
  5. Step 5: Solve for x
    x = 18,331,980,297.32/202,518.80
  6. Step 6: Final answer
    x = 90,519.89

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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.