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Finding the Fourth Proportional to 168,664, 232,753.20 and 93,210.88

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Solution

The fourth proportional to 168,664, 232,753.20 and 93,210.88 is: 128,629.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,664 : 232,753.20 = 93,210.88 : x
  2. Step 2: Convert to fraction form
    168,664/232,753.20 = 93,210.88/x
  3. Step 3: Cross multiply
    168,664x = 232,753.20 × 93,210.88
  4. Step 4: Simplify right side
    168,664x = 21,695,130,594.82
  5. Step 5: Solve for x
    x = 21,695,130,594.82/168,664
  6. Step 6: Final answer
    x = 128,629.29

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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.