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Finding the Fourth Proportional to 268,591.65, 370,656.65 and 147,742.13

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Solution

The fourth proportional to 268,591.65, 370,656.65 and 147,742.13 is: 203,884.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,591.65 : 370,656.65 = 147,742.13 : x
  2. Step 2: Convert to fraction form
    268,591.65/370,656.65 = 147,742.13/x
  3. Step 3: Cross multiply
    268,591.65x = 370,656.65 × 147,742.13
  4. Step 4: Simplify right side
    268,591.65x = 54,761,601,765.19
  5. Step 5: Solve for x
    x = 54,761,601,765.19/268,591.65
  6. Step 6: Final answer
    x = 203,884.23

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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.