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Finding the Fourth Proportional to 247,046.03, 340,798.32 and 156,249.08

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Solution

The fourth proportional to 247,046.03, 340,798.32 and 156,249.08 is: 215,544.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,046.03 : 340,798.32 = 156,249.08 : x
  2. Step 2: Convert to fraction form
    247,046.03/340,798.32 = 156,249.08/x
  3. Step 3: Cross multiply
    247,046.03x = 340,798.32 × 156,249.08
  4. Step 4: Simplify right side
    247,046.03x = 53,249,425,403.48
  5. Step 5: Solve for x
    x = 53,249,425,403.48/247,046.03
  6. Step 6: Final answer
    x = 215,544.55

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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.