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Finding the Fourth Proportional to 93,565.81, 140,378.69 and 33,553.86

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Solution

The fourth proportional to 93,565.81, 140,378.69 and 33,553.86 is: 50,341.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,565.81 : 140,378.69 = 33,553.86 : x
  2. Step 2: Convert to fraction form
    93,565.81/140,378.69 = 33,553.86/x
  3. Step 3: Cross multiply
    93,565.81x = 140,378.69 × 33,553.86
  4. Step 4: Simplify right side
    93,565.81x = 4,710,246,041.58
  5. Step 5: Solve for x
    x = 4,710,246,041.58/93,565.81
  6. Step 6: Final answer
    x = 50,341.53

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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.