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Finding the Fourth Proportional to 93,230.48, 139,967.67 and 55,348.90

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Solution

The fourth proportional to 93,230.48, 139,967.67 and 55,348.90 is: 83,095.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,230.48 : 139,967.67 = 55,348.90 : x
  2. Step 2: Convert to fraction form
    93,230.48/139,967.67 = 55,348.90/x
  3. Step 3: Cross multiply
    93,230.48x = 139,967.67 × 55,348.90
  4. Step 4: Simplify right side
    93,230.48x = 7,747,056,570.06
  5. Step 5: Solve for x
    x = 7,747,056,570.06/93,230.48
  6. Step 6: Final answer
    x = 83,095.75

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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.