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Finding the Fourth Proportional to 94,395, 141,592.50 and 38,992.44

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Solution

The fourth proportional to 94,395, 141,592.50 and 38,992.44 is: 58,488.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,395 : 141,592.50 = 38,992.44 : x
  2. Step 2: Convert to fraction form
    94,395/141,592.50 = 38,992.44/x
  3. Step 3: Cross multiply
    94,395x = 141,592.50 × 38,992.44
  4. Step 4: Simplify right side
    94,395x = 5,521,037,060.70
  5. Step 5: Solve for x
    x = 5,521,037,060.70/94,395
  6. Step 6: Final answer
    x = 58,488.66

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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.