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Finding the Fourth Proportional to 168,751.70, 253,127.55 and 146,201.30

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Solution

The fourth proportional to 168,751.70, 253,127.55 and 146,201.30 is: 219,301.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,751.70 : 253,127.55 = 146,201.30 : x
  2. Step 2: Convert to fraction form
    168,751.70/253,127.55 = 146,201.30/x
  3. Step 3: Cross multiply
    168,751.70x = 253,127.55 × 146,201.30
  4. Step 4: Simplify right side
    168,751.70x = 37,007,576,875.82
  5. Step 5: Solve for x
    x = 37,007,576,875.82/168,751.70
  6. Step 6: Final answer
    x = 219,301.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.