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Finding the Fourth Proportional to 191,651.10, 287,532.15 and 79,310.58

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Solution

The fourth proportional to 191,651.10, 287,532.15 and 79,310.58 is: 118,988.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,651.10 : 287,532.15 = 79,310.58 : x
  2. Step 2: Convert to fraction form
    191,651.10/287,532.15 = 79,310.58/x
  3. Step 3: Cross multiply
    191,651.10x = 287,532.15 × 79,310.58
  4. Step 4: Simplify right side
    191,651.10x = 22,804,341,585.15
  5. Step 5: Solve for x
    x = 22,804,341,585.15/191,651.10
  6. Step 6: Final answer
    x = 118,988.84

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