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Finding the Fourth Proportional to 268,033.59, 369,869.56 and 147,174.30

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Solution

The fourth proportional to 268,033.59, 369,869.56 and 147,174.30 is: 203,091.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,033.59 : 369,869.56 = 147,174.30 : x
  2. Step 2: Convert to fraction form
    268,033.59/369,869.56 = 147,174.30/x
  3. Step 3: Cross multiply
    268,033.59x = 369,869.56 × 147,174.30
  4. Step 4: Simplify right side
    268,033.59x = 54,435,293,216.37
  5. Step 5: Solve for x
    x = 54,435,293,216.37/268,033.59
  6. Step 6: Final answer
    x = 203,091.31

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1.5x scale

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.