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Finding the Fourth Proportional to 247,193.83, 370,366.95 and 165,988.64

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Solution

The fourth proportional to 247,193.83, 370,366.95 and 165,988.64 is: 248,698.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,193.83 : 370,366.95 = 165,988.64 : x
  2. Step 2: Convert to fraction form
    247,193.83/370,366.95 = 165,988.64/x
  3. Step 3: Cross multiply
    247,193.83x = 370,366.95 × 165,988.64
  4. Step 4: Simplify right side
    247,193.83x = 61,476,706,331.45
  5. Step 5: Solve for x
    x = 61,476,706,331.45/247,193.83
  6. Step 6: Final answer
    x = 248,698.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.