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Finding the Fourth Proportional to 191,787.20, 287,572.80 and 73,462.40

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Solution

The fourth proportional to 191,787.20, 287,572.80 and 73,462.40 is: 110,152.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,787.20 : 287,572.80 = 73,462.40 : x
  2. Step 2: Convert to fraction form
    191,787.20/287,572.80 = 73,462.40/x
  3. Step 3: Cross multiply
    191,787.20x = 287,572.80 × 73,462.40
  4. Step 4: Simplify right side
    191,787.20x = 21,125,788,062.72
  5. Step 5: Solve for x
    x = 21,125,788,062.72/191,787.20
  6. Step 6: Final answer
    x = 110,152.23

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