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Finding the Fourth Proportional to 93,607.92, 140,407.56 and 34,439.40

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Solution

The fourth proportional to 93,607.92, 140,407.56 and 34,439.40 is: 51,657.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,607.92 : 140,407.56 = 34,439.40 : x
  2. Step 2: Convert to fraction form
    93,607.92/140,407.56 = 34,439.40/x
  3. Step 3: Cross multiply
    93,607.92x = 140,407.56 × 34,439.40
  4. Step 4: Simplify right side
    93,607.92x = 4,835,552,121.86
  5. Step 5: Solve for x
    x = 4,835,552,121.86/93,607.92
  6. Step 6: Final answer
    x = 51,657.51

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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.