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Finding the Fourth Proportional to 239,172.18, 358,778.88 and 61,677.72

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Solution

The fourth proportional to 239,172.18, 358,778.88 and 61,677.72 is: 92,521.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,172.18 : 358,778.88 = 61,677.72 : x
  2. Step 2: Convert to fraction form
    239,172.18/358,778.88 = 61,677.72/x
  3. Step 3: Cross multiply
    239,172.18x = 358,778.88 × 61,677.72
  4. Step 4: Simplify right side
    239,172.18x = 22,128,663,302.55
  5. Step 5: Solve for x
    x = 22,128,663,302.55/239,172.18
  6. Step 6: Final answer
    x = 92,521.89

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