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Finding the Fourth Proportional to 92,835.60, 139,299.47 and 36,715.97

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Solution

The fourth proportional to 92,835.60, 139,299.47 and 36,715.97 is: 55,092.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,835.60 : 139,299.47 = 36,715.97 : x
  2. Step 2: Convert to fraction form
    92,835.60/139,299.47 = 36,715.97/x
  3. Step 3: Cross multiply
    92,835.60x = 139,299.47 × 36,715.97
  4. Step 4: Simplify right side
    92,835.60x = 5,114,514,281.46
  5. Step 5: Solve for x
    x = 5,114,514,281.46/92,835.60
  6. Step 6: Final answer
    x = 55,092.17

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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.