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Finding the Fourth Proportional to 88,681.77, 122,172.91 and 61,775.60

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Solution

The fourth proportional to 88,681.77, 122,172.91 and 61,775.60 is: 85,105.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,681.77 : 122,172.91 = 61,775.60 : x
  2. Step 2: Convert to fraction form
    88,681.77/122,172.91 = 61,775.60/x
  3. Step 3: Cross multiply
    88,681.77x = 122,172.91 × 61,775.60
  4. Step 4: Simplify right side
    88,681.77x = 7,547,304,053.69
  5. Step 5: Solve for x
    x = 7,547,304,053.69/88,681.77
  6. Step 6: Final answer
    x = 85,105.47

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