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Finding the Fourth Proportional to 249,297.20, 344,016.84 and 136,097.84

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Solution

The fourth proportional to 249,297.20, 344,016.84 and 136,097.84 is: 187,807.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,297.20 : 344,016.84 = 136,097.84 : x
  2. Step 2: Convert to fraction form
    249,297.20/344,016.84 = 136,097.84/x
  3. Step 3: Cross multiply
    249,297.20x = 344,016.84 × 136,097.84
  4. Step 4: Simplify right side
    249,297.20x = 46,819,948,847.63
  5. Step 5: Solve for x
    x = 46,819,948,847.63/249,297.20
  6. Step 6: Final answer
    x = 187,807.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.