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Finding the Fourth Proportional to 93,294.86, 139,902.31 and 43,369.75

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Solution

The fourth proportional to 93,294.86, 139,902.31 and 43,369.75 is: 65,036.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,294.86 : 139,902.31 = 43,369.75 : x
  2. Step 2: Convert to fraction form
    93,294.86/139,902.31 = 43,369.75/x
  3. Step 3: Cross multiply
    93,294.86x = 139,902.31 × 43,369.75
  4. Step 4: Simplify right side
    93,294.86x = 6,067,528,209.12
  5. Step 5: Solve for x
    x = 6,067,528,209.12/93,294.86
  6. Step 6: Final answer
    x = 65,036.04

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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.