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Finding the Fourth Proportional to 168,732, 232,855.02 and 93,285.36

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Solution

The fourth proportional to 168,732, 232,855.02 and 93,285.36 is: 128,736.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,732 : 232,855.02 = 93,285.36 : x
  2. Step 2: Convert to fraction form
    168,732/232,855.02 = 93,285.36/x
  3. Step 3: Cross multiply
    168,732x = 232,855.02 × 93,285.36
  4. Step 4: Simplify right side
    168,732x = 21,721,964,368.51
  5. Step 5: Solve for x
    x = 21,721,964,368.51/168,732
  6. Step 6: Final answer
    x = 128,736.48

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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.