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Finding the Fourth Proportional to 249,860.82, 344,806.90 and 135,139.59

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Solution

The fourth proportional to 249,860.82, 344,806.90 and 135,139.59 is: 186,492.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,860.82 : 344,806.90 = 135,139.59 : x
  2. Step 2: Convert to fraction form
    249,860.82/344,806.90 = 135,139.59/x
  3. Step 3: Cross multiply
    249,860.82x = 344,806.90 × 135,139.59
  4. Step 4: Simplify right side
    249,860.82x = 46,597,063,095.17
  5. Step 5: Solve for x
    x = 46,597,063,095.17/249,860.82
  6. Step 6: Final answer
    x = 186,492.08

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