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Finding the Fourth Proportional to 99,802.45, 149,746.20 and 52,453.90

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Solution

The fourth proportional to 99,802.45, 149,746.20 and 52,453.90 is: 78,703.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,802.45 : 149,746.20 = 52,453.90 : x
  2. Step 2: Convert to fraction form
    99,802.45/149,746.20 = 52,453.90/x
  3. Step 3: Cross multiply
    99,802.45x = 149,746.20 × 52,453.90
  4. Step 4: Simplify right side
    99,802.45x = 7,854,772,200.18
  5. Step 5: Solve for x
    x = 7,854,772,200.18/99,802.45
  6. Step 6: Final answer
    x = 78,703.20

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