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Finding the Fourth Proportional to 93,240.41, 128,671.78 and 50,798.94

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Solution

The fourth proportional to 93,240.41, 128,671.78 and 50,798.94 is: 70,102.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,240.41 : 128,671.78 = 50,798.94 : x
  2. Step 2: Convert to fraction form
    93,240.41/128,671.78 = 50,798.94/x
  3. Step 3: Cross multiply
    93,240.41x = 128,671.78 × 50,798.94
  4. Step 4: Simplify right side
    93,240.41x = 6,536,389,904.92
  5. Step 5: Solve for x
    x = 6,536,389,904.92/93,240.41
  6. Step 6: Final answer
    x = 70,102.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.