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Finding the Fourth Proportional to 109,303.32, 164,034.90 and 69,956.76

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Solution

The fourth proportional to 109,303.32, 164,034.90 and 69,956.76 is: 104,986.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,303.32 : 164,034.90 = 69,956.76 : x
  2. Step 2: Convert to fraction form
    109,303.32/164,034.90 = 69,956.76/x
  3. Step 3: Cross multiply
    109,303.32x = 164,034.90 × 69,956.76
  4. Step 4: Simplify right side
    109,303.32x = 11,475,350,130.92
  5. Step 5: Solve for x
    x = 11,475,350,130.92/109,303.32
  6. Step 6: Final answer
    x = 104,986.29

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