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Finding the Fourth Proportional to 268,155.57, 370,053.31 and 147,296.49

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Solution

The fourth proportional to 268,155.57, 370,053.31 and 147,296.49 is: 203,268.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,155.57 : 370,053.31 = 147,296.49 : x
  2. Step 2: Convert to fraction form
    268,155.57/370,053.31 = 147,296.49/x
  3. Step 3: Cross multiply
    268,155.57x = 370,053.31 × 147,296.49
  4. Step 4: Simplify right side
    268,155.57x = 54,507,553,675.88
  5. Step 5: Solve for x
    x = 54,507,553,675.88/268,155.57
  6. Step 6: Final answer
    x = 203,268.40

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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.