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Finding the Fourth Proportional to 114,974.40, 172,658.40 and 62,486.40

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Solution

The fourth proportional to 114,974.40, 172,658.40 and 62,486.40 is: 93,836.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,974.40 : 172,658.40 = 62,486.40 : x
  2. Step 2: Convert to fraction form
    114,974.40/172,658.40 = 62,486.40/x
  3. Step 3: Cross multiply
    114,974.40x = 172,658.40 × 62,486.40
  4. Step 4: Simplify right side
    114,974.40x = 10,788,801,845.76
  5. Step 5: Solve for x
    x = 10,788,801,845.76/114,974.40
  6. Step 6: Final answer
    x = 93,836.56

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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.