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Finding the Fourth Proportional to 76,159.18, 105,122.45 and 49,303.50

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Solution

The fourth proportional to 76,159.18, 105,122.45 and 49,303.50 is: 68,053.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,159.18 : 105,122.45 = 49,303.50 : x
  2. Step 2: Convert to fraction form
    76,159.18/105,122.45 = 49,303.50/x
  3. Step 3: Cross multiply
    76,159.18x = 105,122.45 × 49,303.50
  4. Step 4: Simplify right side
    76,159.18x = 5,182,904,756.61
  5. Step 5: Solve for x
    x = 5,182,904,756.61/76,159.18
  6. Step 6: Final answer
    x = 68,053.58

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