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Finding the Fourth Proportional to 70,953.48, 97,920.18 and 39,122.28

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Solution

The fourth proportional to 70,953.48, 97,920.18 and 39,122.28 is: 53,991.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,953.48 : 97,920.18 = 39,122.28 : x
  2. Step 2: Convert to fraction form
    70,953.48/97,920.18 = 39,122.28/x
  3. Step 3: Cross multiply
    70,953.48x = 97,920.18 × 39,122.28
  4. Step 4: Simplify right side
    70,953.48x = 3,830,860,699.61
  5. Step 5: Solve for x
    x = 3,830,860,699.61/70,953.48
  6. Step 6: Final answer
    x = 53,991.16

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