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Finding the Fourth Proportional to 168,477.76, 232,493.18 and 93,024.64

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Solution

The fourth proportional to 168,477.76, 232,493.18 and 93,024.64 is: 128,370.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,477.76 : 232,493.18 = 93,024.64 : x
  2. Step 2: Convert to fraction form
    168,477.76/232,493.18 = 93,024.64/x
  3. Step 3: Cross multiply
    168,477.76x = 232,493.18 × 93,024.64
  4. Step 4: Simplify right side
    168,477.76x = 21,627,594,371.96
  5. Step 5: Solve for x
    x = 21,627,594,371.96/168,477.76
  6. Step 6: Final answer
    x = 128,370.62

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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.