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Finding the Fourth Proportional to 191,402.40, 287,103.60 and 132,353.40

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Solution

The fourth proportional to 191,402.40, 287,103.60 and 132,353.40 is: 198,530.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,402.40 : 287,103.60 = 132,353.40 : x
  2. Step 2: Convert to fraction form
    191,402.40/287,103.60 = 132,353.40/x
  3. Step 3: Cross multiply
    191,402.40x = 287,103.60 × 132,353.40
  4. Step 4: Simplify right side
    191,402.40x = 37,999,137,612.24
  5. Step 5: Solve for x
    x = 37,999,137,612.24/191,402.40
  6. Step 6: Final answer
    x = 198,530.10

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