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Finding the Fourth Proportional to 91,707.95, 137,581.73 and 28,526.87

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Solution

The fourth proportional to 91,707.95, 137,581.73 and 28,526.87 is: 42,796.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,707.95 : 137,581.73 = 28,526.87 : x
  2. Step 2: Convert to fraction form
    91,707.95/137,581.73 = 28,526.87/x
  3. Step 3: Cross multiply
    91,707.95x = 137,581.73 × 28,526.87
  4. Step 4: Simplify right side
    91,707.95x = 3,924,776,126.09
  5. Step 5: Solve for x
    x = 3,924,776,126.09/91,707.95
  6. Step 6: Final answer
    x = 42,796.47

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