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Finding the Fourth Proportional to 93,319.97, 139,923.65 and 37,168.74

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Solution

The fourth proportional to 93,319.97, 139,923.65 and 37,168.74 is: 55,730.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,319.97 : 139,923.65 = 37,168.74 : x
  2. Step 2: Convert to fraction form
    93,319.97/139,923.65 = 37,168.74/x
  3. Step 3: Cross multiply
    93,319.97x = 139,923.65 × 37,168.74
  4. Step 4: Simplify right side
    93,319.97x = 5,200,785,859.62
  5. Step 5: Solve for x
    x = 5,200,785,859.62/93,319.97
  6. Step 6: Final answer
    x = 55,730.69

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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.