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Finding the Fourth Proportional to 100,967.76, 139,253.58 and 88,842.06

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Solution

The fourth proportional to 100,967.76, 139,253.58 and 88,842.06 is: 122,529.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,967.76 : 139,253.58 = 88,842.06 : x
  2. Step 2: Convert to fraction form
    100,967.76/139,253.58 = 88,842.06/x
  3. Step 3: Cross multiply
    100,967.76x = 139,253.58 × 88,842.06
  4. Step 4: Simplify right side
    100,967.76x = 12,371,574,909.57
  5. Step 5: Solve for x
    x = 12,371,574,909.57/100,967.76
  6. Step 6: Final answer
    x = 122,529.95

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