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Finding the Fourth Proportional to 78,166.32, 117,248.63 and 19,002.04

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Solution

The fourth proportional to 78,166.32, 117,248.63 and 19,002.04 is: 28,502.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,166.32 : 117,248.63 = 19,002.04 : x
  2. Step 2: Convert to fraction form
    78,166.32/117,248.63 = 19,002.04/x
  3. Step 3: Cross multiply
    78,166.32x = 117,248.63 × 19,002.04
  4. Step 4: Simplify right side
    78,166.32x = 2,227,963,535.48
  5. Step 5: Solve for x
    x = 2,227,963,535.48/78,166.32
  6. Step 6: Final answer
    x = 28,502.86

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