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Finding the Fourth Proportional to 268,750.40, 370,867.70 and 147,891.64

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Solution

The fourth proportional to 268,750.40, 370,867.70 and 147,891.64 is: 204,086.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,750.40 : 370,867.70 = 147,891.64 : x
  2. Step 2: Convert to fraction form
    268,750.40/370,867.70 = 147,891.64/x
  3. Step 3: Cross multiply
    268,750.40x = 370,867.70 × 147,891.64
  4. Step 4: Simplify right side
    268,750.40x = 54,848,232,376.03
  5. Step 5: Solve for x
    x = 54,848,232,376.03/268,750.40
  6. Step 6: Final answer
    x = 204,086.14

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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.