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Finding the Fourth Proportional to 93,008.70, 139,513.11 and 36,861.93

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Solution

The fourth proportional to 93,008.70, 139,513.11 and 36,861.93 is: 55,292.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,008.70 : 139,513.11 = 36,861.93 : x
  2. Step 2: Convert to fraction form
    93,008.70/139,513.11 = 36,861.93/x
  3. Step 3: Cross multiply
    93,008.70x = 139,513.11 × 36,861.93
  4. Step 4: Simplify right side
    93,008.70x = 5,142,722,494.90
  5. Step 5: Solve for x
    x = 5,142,722,494.90/93,008.70
  6. Step 6: Final answer
    x = 55,292.92

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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.