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Finding the Fourth Proportional to 201,636.84, 302,455.27 and 61,395.47

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Solution

The fourth proportional to 201,636.84, 302,455.27 and 61,395.47 is: 92,093.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,636.84 : 302,455.27 = 61,395.47 : x
  2. Step 2: Convert to fraction form
    201,636.84/302,455.27 = 61,395.47/x
  3. Step 3: Cross multiply
    201,636.84x = 302,455.27 × 61,395.47
  4. Step 4: Simplify right side
    201,636.84x = 18,569,382,808.95
  5. Step 5: Solve for x
    x = 18,569,382,808.95/201,636.84
  6. Step 6: Final answer
    x = 92,093.20

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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.