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Finding the Fourth Proportional to 61,492.84, 92,170.14 and 30,349.96

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Solution

The fourth proportional to 61,492.84, 92,170.14 and 30,349.96 is: 45,490.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,492.84 : 92,170.14 = 30,349.96 : x
  2. Step 2: Convert to fraction form
    61,492.84/92,170.14 = 30,349.96/x
  3. Step 3: Cross multiply
    61,492.84x = 92,170.14 × 30,349.96
  4. Step 4: Simplify right side
    61,492.84x = 2,797,360,062.19
  5. Step 5: Solve for x
    x = 2,797,360,062.19/61,492.84
  6. Step 6: Final answer
    x = 45,490.83

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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.