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Finding the Fourth Proportional to 93,605.86, 140,443.86 and 48,599.13

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Solution

The fourth proportional to 93,605.86, 140,443.86 and 48,599.13 is: 72,916.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,605.86 : 140,443.86 = 48,599.13 : x
  2. Step 2: Convert to fraction form
    93,605.86/140,443.86 = 48,599.13/x
  3. Step 3: Cross multiply
    93,605.86x = 140,443.86 × 48,599.13
  4. Step 4: Simplify right side
    93,605.86x = 6,825,448,832.26
  5. Step 5: Solve for x
    x = 6,825,448,832.26/93,605.86
  6. Step 6: Final answer
    x = 72,916.89

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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.