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Finding the Fourth Proportional to 136,225, 204,337.50 and 37,729

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Solution

The fourth proportional to 136,225, 204,337.50 and 37,729 is: 56,593.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,225 : 204,337.50 = 37,729 : x
  2. Step 2: Convert to fraction form
    136,225/204,337.50 = 37,729/x
  3. Step 3: Cross multiply
    136,225x = 204,337.50 × 37,729
  4. Step 4: Simplify right side
    136,225x = 7,709,449,537.50
  5. Step 5: Solve for x
    x = 7,709,449,537.50/136,225
  6. Step 6: Final answer
    x = 56,593.50

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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.