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Finding the Fourth Proportional to 249,423.62, 374,172.33 and 91,639.77

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Solution

The fourth proportional to 249,423.62, 374,172.33 and 91,639.77 is: 137,473.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,423.62 : 374,172.33 = 91,639.77 : x
  2. Step 2: Convert to fraction form
    249,423.62/374,172.33 = 91,639.77/x
  3. Step 3: Cross multiply
    249,423.62x = 374,172.33 × 91,639.77
  4. Step 4: Simplify right side
    249,423.62x = 34,289,065,202.07
  5. Step 5: Solve for x
    x = 34,289,065,202.07/249,423.62
  6. Step 6: Final answer
    x = 137,473.21

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