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Finding the Fourth Proportional to 157,258.71, 217,000.50 and 91,849.59

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Solution

The fourth proportional to 157,258.71, 217,000.50 and 91,849.59 is: 126,742.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,258.71 : 217,000.50 = 91,849.59 : x
  2. Step 2: Convert to fraction form
    157,258.71/217,000.50 = 91,849.59/x
  3. Step 3: Cross multiply
    157,258.71x = 217,000.50 × 91,849.59
  4. Step 4: Simplify right side
    157,258.71x = 19,931,406,954.80
  5. Step 5: Solve for x
    x = 19,931,406,954.80/157,258.71
  6. Step 6: Final answer
    x = 126,742.79

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