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Finding the Fourth Proportional to 247,292.73, 341,138.39 and 156,495.69

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Solution

The fourth proportional to 247,292.73, 341,138.39 and 156,495.69 is: 215,884.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,292.73 : 341,138.39 = 156,495.69 : x
  2. Step 2: Convert to fraction form
    247,292.73/341,138.39 = 156,495.69/x
  3. Step 3: Cross multiply
    247,292.73x = 341,138.39 × 156,495.69
  4. Step 4: Simplify right side
    247,292.73x = 53,386,686,946.06
  5. Step 5: Solve for x
    x = 53,386,686,946.06/247,292.73
  6. Step 6: Final answer
    x = 215,884.58

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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.