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Finding the Fourth Proportional to 61,787.94, 85,261.05 and 37,915.62

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Solution

The fourth proportional to 61,787.94, 85,261.05 and 37,915.62 is: 52,319.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,787.94 : 85,261.05 = 37,915.62 : x
  2. Step 2: Convert to fraction form
    61,787.94/85,261.05 = 37,915.62/x
  3. Step 3: Cross multiply
    61,787.94x = 85,261.05 × 37,915.62
  4. Step 4: Simplify right side
    61,787.94x = 3,232,725,572.60
  5. Step 5: Solve for x
    x = 3,232,725,572.60/61,787.94
  6. Step 6: Final answer
    x = 52,319.69

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