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Finding the Fourth Proportional to 168,957.65, 253,007.88 and 101,448

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Solution

The fourth proportional to 168,957.65, 253,007.88 and 101,448 is: 151,914.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,957.65 : 253,007.88 = 101,448 : x
  2. Step 2: Convert to fraction form
    168,957.65/253,007.88 = 101,448/x
  3. Step 3: Cross multiply
    168,957.65x = 253,007.88 × 101,448
  4. Step 4: Simplify right side
    168,957.65x = 25,667,143,410.24
  5. Step 5: Solve for x
    x = 25,667,143,410.24/168,957.65
  6. Step 6: Final answer
    x = 151,914.66

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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.