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Finding the Fourth Proportional to 201,394.88, 302,072.79 and 61,154.72

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Solution

The fourth proportional to 201,394.88, 302,072.79 and 61,154.72 is: 91,726.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,394.88 : 302,072.79 = 61,154.72 : x
  2. Step 2: Convert to fraction form
    201,394.88/302,072.79 = 61,154.72/x
  3. Step 3: Cross multiply
    201,394.88x = 302,072.79 × 61,154.72
  4. Step 4: Simplify right side
    201,394.88x = 18,473,176,892.07
  5. Step 5: Solve for x
    x = 18,473,176,892.07/201,394.88
  6. Step 6: Final answer
    x = 91,726.15

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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.