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Finding the Fourth Proportional to 74,256.94, 111,429.15 and 34,814.40

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Solution

The fourth proportional to 74,256.94, 111,429.15 and 34,814.40 is: 52,242.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,256.94 : 111,429.15 = 34,814.40 : x
  2. Step 2: Convert to fraction form
    74,256.94/111,429.15 = 34,814.40/x
  3. Step 3: Cross multiply
    74,256.94x = 111,429.15 × 34,814.40
  4. Step 4: Simplify right side
    74,256.94x = 3,879,338,999.76
  5. Step 5: Solve for x
    x = 3,879,338,999.76/74,256.94
  6. Step 6: Final answer
    x = 52,242.11

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