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Finding the Fourth Proportional to 191,348.60, 286,867.38 and 66,777.08

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Solution

The fourth proportional to 191,348.60, 286,867.38 and 66,777.08 is: 100,111.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,348.60 : 286,867.38 = 66,777.08 : x
  2. Step 2: Convert to fraction form
    191,348.60/286,867.38 = 66,777.08/x
  3. Step 3: Cross multiply
    191,348.60x = 286,867.38 × 66,777.08
  4. Step 4: Simplify right side
    191,348.60x = 19,156,165,983.65
  5. Step 5: Solve for x
    x = 19,156,165,983.65/191,348.60
  6. Step 6: Final answer
    x = 100,111.35

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