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Finding the Fourth Proportional to 249,902.57, 344,874.15 and 136,725.32

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Solution

The fourth proportional to 249,902.57, 344,874.15 and 136,725.32 is: 188,685.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,902.57 : 344,874.15 = 136,725.32 : x
  2. Step 2: Convert to fraction form
    249,902.57/344,874.15 = 136,725.32/x
  3. Step 3: Cross multiply
    249,902.57x = 344,874.15 × 136,725.32
  4. Step 4: Simplify right side
    249,902.57x = 47,153,026,794.11
  5. Step 5: Solve for x
    x = 47,153,026,794.11/249,902.57
  6. Step 6: Final answer
    x = 188,685.65

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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.