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Finding the Fourth Proportional to 172,547.28, 238,106.16 and 97,100.64

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Solution

The fourth proportional to 172,547.28, 238,106.16 and 97,100.64 is: 133,993.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,547.28 : 238,106.16 = 97,100.64 : x
  2. Step 2: Convert to fraction form
    172,547.28/238,106.16 = 97,100.64/x
  3. Step 3: Cross multiply
    172,547.28x = 238,106.16 × 97,100.64
  4. Step 4: Simplify right side
    172,547.28x = 23,120,260,523.94
  5. Step 5: Solve for x
    x = 23,120,260,523.94/172,547.28
  6. Step 6: Final answer
    x = 133,993.77

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