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Finding the Fourth Proportional to 93,403.72, 140,146.65 and 49,020.07

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Solution

The fourth proportional to 93,403.72, 140,146.65 and 49,020.07 is: 73,551.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,403.72 : 140,146.65 = 49,020.07 : x
  2. Step 2: Convert to fraction form
    93,403.72/140,146.65 = 49,020.07/x
  3. Step 3: Cross multiply
    93,403.72x = 140,146.65 × 49,020.07
  4. Step 4: Simplify right side
    93,403.72x = 6,869,998,593.27
  5. Step 5: Solve for x
    x = 6,869,998,593.27/93,403.72
  6. Step 6: Final answer
    x = 73,551.66

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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.