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Finding the Fourth Proportional to 201,934.70, 302,916.45 and 61,693.10

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Solution

The fourth proportional to 201,934.70, 302,916.45 and 61,693.10 is: 92,544.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,934.70 : 302,916.45 = 61,693.10 : x
  2. Step 2: Convert to fraction form
    201,934.70/302,916.45 = 61,693.10/x
  3. Step 3: Cross multiply
    201,934.70x = 302,916.45 × 61,693.10
  4. Step 4: Simplify right side
    201,934.70x = 18,687,854,841.50
  5. Step 5: Solve for x
    x = 18,687,854,841.50/201,934.70
  6. Step 6: Final answer
    x = 92,544.05

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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.