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Finding the Fourth Proportional to 247,051.54, 340,805.91 and 156,254.59

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Solution

The fourth proportional to 247,051.54, 340,805.91 and 156,254.59 is: 215,552.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,051.54 : 340,805.91 = 156,254.59 : x
  2. Step 2: Convert to fraction form
    247,051.54/340,805.91 = 156,254.59/x
  3. Step 3: Cross multiply
    247,051.54x = 340,805.91 × 156,254.59
  4. Step 4: Simplify right side
    247,051.54x = 53,252,487,736.63
  5. Step 5: Solve for x
    x = 53,252,487,736.63/247,051.54
  6. Step 6: Final answer
    x = 215,552.14

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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.