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Finding the Fourth Proportional to 98,408.84, 147,584.37 and 45,070.70

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Solution

The fourth proportional to 98,408.84, 147,584.37 and 45,070.70 is: 67,592.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,408.84 : 147,584.37 = 45,070.70 : x
  2. Step 2: Convert to fraction form
    98,408.84/147,584.37 = 45,070.70/x
  3. Step 3: Cross multiply
    98,408.84x = 147,584.37 × 45,070.70
  4. Step 4: Simplify right side
    98,408.84x = 6,651,730,864.96
  5. Step 5: Solve for x
    x = 6,651,730,864.96/98,408.84
  6. Step 6: Final answer
    x = 67,592.82

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