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Finding the Fourth Proportional to 176,406.92, 243,462.41 and 104,787.22

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Solution

The fourth proportional to 176,406.92, 243,462.41 and 104,787.22 is: 144,618.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,406.92 : 243,462.41 = 104,787.22 : x
  2. Step 2: Convert to fraction form
    176,406.92/243,462.41 = 104,787.22/x
  3. Step 3: Cross multiply
    176,406.92x = 243,462.41 × 104,787.22
  4. Step 4: Simplify right side
    176,406.92x = 25,511,748,594.46
  5. Step 5: Solve for x
    x = 25,511,748,594.46/176,406.92
  6. Step 6: Final answer
    x = 144,618.76

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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.