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Finding the Fourth Proportional to 92,002.53, 138,037.97 and 63,907.79

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Solution

The fourth proportional to 92,002.53, 138,037.97 and 63,907.79 is: 95,885.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,002.53 : 138,037.97 = 63,907.79 : x
  2. Step 2: Convert to fraction form
    92,002.53/138,037.97 = 63,907.79/x
  3. Step 3: Cross multiply
    92,002.53x = 138,037.97 × 63,907.79
  4. Step 4: Simplify right side
    92,002.53x = 8,821,701,068.37
  5. Step 5: Solve for x
    x = 8,821,701,068.37/92,002.53
  6. Step 6: Final answer
    x = 95,885.41

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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.