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Finding the Fourth Proportional to 252,239.55, 378,357.95 and 108,124.14

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Solution

The fourth proportional to 252,239.55, 378,357.95 and 108,124.14 is: 162,185.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,239.55 : 378,357.95 = 108,124.14 : x
  2. Step 2: Convert to fraction form
    252,239.55/378,357.95 = 108,124.14/x
  3. Step 3: Cross multiply
    252,239.55x = 378,357.95 × 108,124.14
  4. Step 4: Simplify right side
    252,239.55x = 40,909,629,645.07
  5. Step 5: Solve for x
    x = 40,909,629,645.07/252,239.55
  6. Step 6: Final answer
    x = 162,185.63

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1.5x scale

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.