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Finding the Fourth Proportional to 168,510.81, 232,544.88 and 93,059.31

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Solution

The fourth proportional to 168,510.81, 232,544.88 and 93,059.31 is: 128,421.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,510.81 : 232,544.88 = 93,059.31 : x
  2. Step 2: Convert to fraction form
    168,510.81/232,544.88 = 93,059.31/x
  3. Step 3: Cross multiply
    168,510.81x = 232,544.88 × 93,059.31
  4. Step 4: Simplify right side
    168,510.81x = 21,640,466,076.83
  5. Step 5: Solve for x
    x = 21,640,466,076.83/168,510.81
  6. Step 6: Final answer
    x = 128,421.83

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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.