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Finding the Fourth Proportional to 238,297.80, 357,528.68 and 149,447.28

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Solution

The fourth proportional to 238,297.80, 357,528.68 and 149,447.28 is: 224,222.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,297.80 : 357,528.68 = 149,447.28 : x
  2. Step 2: Convert to fraction form
    238,297.80/357,528.68 = 149,447.28/x
  3. Step 3: Cross multiply
    238,297.80x = 357,528.68 × 149,447.28
  4. Step 4: Simplify right side
    238,297.80x = 53,431,688,747.99
  5. Step 5: Solve for x
    x = 53,431,688,747.99/238,297.80
  6. Step 6: Final answer
    x = 224,222.33

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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.