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Finding the Fourth Proportional to 201,117.42, 301,725.99 and 60,876.45

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Solution

The fourth proportional to 201,117.42, 301,725.99 and 60,876.45 is: 91,329.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,117.42 : 301,725.99 = 60,876.45 : x
  2. Step 2: Convert to fraction form
    201,117.42/301,725.99 = 60,876.45/x
  3. Step 3: Cross multiply
    201,117.42x = 301,725.99 × 60,876.45
  4. Step 4: Simplify right side
    201,117.42x = 18,368,007,143.94
  5. Step 5: Solve for x
    x = 18,368,007,143.94/201,117.42
  6. Step 6: Final answer
    x = 91,329.77

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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.