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Finding the Fourth Proportional to 110,490.21, 165,731.18 and 65,820.74

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Solution

The fourth proportional to 110,490.21, 165,731.18 and 65,820.74 is: 98,728.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,490.21 : 165,731.18 = 65,820.74 : x
  2. Step 2: Convert to fraction form
    110,490.21/165,731.18 = 65,820.74/x
  3. Step 3: Cross multiply
    110,490.21x = 165,731.18 × 65,820.74
  4. Step 4: Simplify right side
    110,490.21x = 10,908,547,750.91
  5. Step 5: Solve for x
    x = 10,908,547,750.91/110,490.21
  6. Step 6: Final answer
    x = 98,728.64

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