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Finding the Fourth Proportional to 92,463.84, 138,589.92 and 45,103.68

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Solution

The fourth proportional to 92,463.84, 138,589.92 and 45,103.68 is: 67,603.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,463.84 : 138,589.92 = 45,103.68 : x
  2. Step 2: Convert to fraction form
    92,463.84/138,589.92 = 45,103.68/x
  3. Step 3: Cross multiply
    92,463.84x = 138,589.92 × 45,103.68
  4. Step 4: Simplify right side
    92,463.84x = 6,250,915,402.91
  5. Step 5: Solve for x
    x = 6,250,915,402.91/92,463.84
  6. Step 6: Final answer
    x = 67,603.89

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1.5x scale

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.