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Finding the Fourth Proportional to 114,672.61, 172,008.77 and 75,220.35

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Solution

The fourth proportional to 114,672.61, 172,008.77 and 75,220.35 is: 112,830.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,672.61 : 172,008.77 = 75,220.35 : x
  2. Step 2: Convert to fraction form
    114,672.61/172,008.77 = 75,220.35/x
  3. Step 3: Cross multiply
    114,672.61x = 172,008.77 × 75,220.35
  4. Step 4: Simplify right side
    114,672.61x = 12,938,558,861.33
  5. Step 5: Solve for x
    x = 12,938,558,861.33/114,672.61
  6. Step 6: Final answer
    x = 112,830.42

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