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Finding the Fourth Proportional to 201,394.40, 302,072.04 and 61,154.24

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Solution

The fourth proportional to 201,394.40, 302,072.04 and 61,154.24 is: 91,725.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,394.40 : 302,072.04 = 61,154.24 : x
  2. Step 2: Convert to fraction form
    201,394.40/302,072.04 = 61,154.24/x
  3. Step 3: Cross multiply
    201,394.40x = 302,072.04 × 61,154.24
  4. Step 4: Simplify right side
    201,394.40x = 18,472,986,031.45
  5. Step 5: Solve for x
    x = 18,472,986,031.45/201,394.40
  6. Step 6: Final answer
    x = 91,725.42

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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.