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Finding the Fourth Proportional to 156,670.40, 235,159.20 and 77,873.60

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Solution

The fourth proportional to 156,670.40, 235,159.20 and 77,873.60 is: 116,886.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,670.40 : 235,159.20 = 77,873.60 : x
  2. Step 2: Convert to fraction form
    156,670.40/235,159.20 = 77,873.60/x
  3. Step 3: Cross multiply
    156,670.40x = 235,159.20 × 77,873.60
  4. Step 4: Simplify right side
    156,670.40x = 18,312,693,477.12
  5. Step 5: Solve for x
    x = 18,312,693,477.12/156,670.40
  6. Step 6: Final answer
    x = 116,886.75

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