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Finding the Fourth Proportional to 249,566.48, 344,402.64 and 136,389.28

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Solution

The fourth proportional to 249,566.48, 344,402.64 and 136,389.28 is: 188,217.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,566.48 : 344,402.64 = 136,389.28 : x
  2. Step 2: Convert to fraction form
    249,566.48/344,402.64 = 136,389.28/x
  3. Step 3: Cross multiply
    249,566.48x = 344,402.64 × 136,389.28
  4. Step 4: Simplify right side
    249,566.48x = 46,972,828,099.70
  5. Step 5: Solve for x
    x = 46,972,828,099.70/249,566.48
  6. Step 6: Final answer
    x = 188,217.70

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