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Finding the Fourth Proportional to 52,391.58, 72,336.48 and 49,045.50

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Solution

The fourth proportional to 52,391.58, 72,336.48 and 49,045.50 is: 67,716.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,391.58 : 72,336.48 = 49,045.50 : x
  2. Step 2: Convert to fraction form
    52,391.58/72,336.48 = 49,045.50/x
  3. Step 3: Cross multiply
    52,391.58x = 72,336.48 × 49,045.50
  4. Step 4: Simplify right side
    52,391.58x = 3,547,778,829.84
  5. Step 5: Solve for x
    x = 3,547,778,829.84/52,391.58
  6. Step 6: Final answer
    x = 67,716.58

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