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Finding the Fourth Proportional to 201,338.75, 302,009.95 and 61,097.38

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Solution

The fourth proportional to 201,338.75, 302,009.95 and 61,097.38 is: 91,646.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,338.75 : 302,009.95 = 61,097.38 : x
  2. Step 2: Convert to fraction form
    201,338.75/302,009.95 = 61,097.38/x
  3. Step 3: Cross multiply
    201,338.75x = 302,009.95 × 61,097.38
  4. Step 4: Simplify right side
    201,338.75x = 18,452,016,678.93
  5. Step 5: Solve for x
    x = 18,452,016,678.93/201,338.75
  6. Step 6: Final answer
    x = 91,646.62

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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.