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Finding the Fourth Proportional to 144,030.21, 216,019.18 and 38,824.57

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Solution

The fourth proportional to 144,030.21, 216,019.18 and 38,824.57 is: 58,229.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,030.21 : 216,019.18 = 38,824.57 : x
  2. Step 2: Convert to fraction form
    144,030.21/216,019.18 = 38,824.57/x
  3. Step 3: Cross multiply
    144,030.21x = 216,019.18 × 38,824.57
  4. Step 4: Simplify right side
    144,030.21x = 8,386,851,775.25
  5. Step 5: Solve for x
    x = 8,386,851,775.25/144,030.21
  6. Step 6: Final answer
    x = 58,229.81

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