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Finding the Fourth Proportional to 172,798.68, 238,530.92 and 148,503.54

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Solution

The fourth proportional to 172,798.68, 238,530.92 and 148,503.54 is: 204,993.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,798.68 : 238,530.92 = 148,503.54 : x
  2. Step 2: Convert to fraction form
    172,798.68/238,530.92 = 148,503.54/x
  3. Step 3: Cross multiply
    172,798.68x = 238,530.92 × 148,503.54
  4. Step 4: Simplify right side
    172,798.68x = 35,422,685,276.94
  5. Step 5: Solve for x
    x = 35,422,685,276.94/172,798.68
  6. Step 6: Final answer
    x = 204,993.96

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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.