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Finding the Fourth Proportional to 93,708.92, 140,533.95 and 31,364.84

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Solution

The fourth proportional to 93,708.92, 140,533.95 and 31,364.84 is: 47,037.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,708.92 : 140,533.95 = 31,364.84 : x
  2. Step 2: Convert to fraction form
    93,708.92/140,533.95 = 31,364.84/x
  3. Step 3: Cross multiply
    93,708.92x = 140,533.95 × 31,364.84
  4. Step 4: Simplify right side
    93,708.92x = 4,407,824,856.32
  5. Step 5: Solve for x
    x = 4,407,824,856.32/93,708.92
  6. Step 6: Final answer
    x = 47,037.41

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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.