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Finding the Fourth Proportional to 201,211.56, 301,846.32 and 60,981.12

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Solution

The fourth proportional to 201,211.56, 301,846.32 and 60,981.12 is: 91,480.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,211.56 : 301,846.32 = 60,981.12 : x
  2. Step 2: Convert to fraction form
    201,211.56/301,846.32 = 60,981.12/x
  3. Step 3: Cross multiply
    201,211.56x = 301,846.32 × 60,981.12
  4. Step 4: Simplify right side
    201,211.56x = 18,406,926,661.48
  5. Step 5: Solve for x
    x = 18,406,926,661.48/201,211.56
  6. Step 6: Final answer
    x = 91,480.46

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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.