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Finding the Fourth Proportional to 77,269.60, 115,904.40 and 32,897.80

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Solution

The fourth proportional to 77,269.60, 115,904.40 and 32,897.80 is: 49,346.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,269.60 : 115,904.40 = 32,897.80 : x
  2. Step 2: Convert to fraction form
    77,269.60/115,904.40 = 32,897.80/x
  3. Step 3: Cross multiply
    77,269.60x = 115,904.40 × 32,897.80
  4. Step 4: Simplify right side
    77,269.60x = 3,812,999,770.32
  5. Step 5: Solve for x
    x = 3,812,999,770.32/77,269.60
  6. Step 6: Final answer
    x = 49,346.70

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