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Finding the Fourth Proportional to 74,397.39, 111,567.53 and 31,675.74

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Solution

The fourth proportional to 74,397.39, 111,567.53 and 31,675.74 is: 47,501.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,397.39 : 111,567.53 = 31,675.74 : x
  2. Step 2: Convert to fraction form
    74,397.39/111,567.53 = 31,675.74/x
  3. Step 3: Cross multiply
    74,397.39x = 111,567.53 × 31,675.74
  4. Step 4: Simplify right side
    74,397.39x = 3,533,983,778.08
  5. Step 5: Solve for x
    x = 3,533,983,778.08/74,397.39
  6. Step 6: Final answer
    x = 47,501.45

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