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Finding the Fourth Proportional to 83,307.60, 124,961.40 and 53,758.80

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Solution

The fourth proportional to 83,307.60, 124,961.40 and 53,758.80 is: 80,638.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,307.60 : 124,961.40 = 53,758.80 : x
  2. Step 2: Convert to fraction form
    83,307.60/124,961.40 = 53,758.80/x
  3. Step 3: Cross multiply
    83,307.60x = 124,961.40 × 53,758.80
  4. Step 4: Simplify right side
    83,307.60x = 6,717,774,910.32
  5. Step 5: Solve for x
    x = 6,717,774,910.32/83,307.60
  6. Step 6: Final answer
    x = 80,638.20

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