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Finding the Fourth Proportional to 118,241.52, 163,092.06 and 70,458

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Solution

The fourth proportional to 118,241.52, 163,092.06 and 70,458 is: 97,183.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,241.52 : 163,092.06 = 70,458 : x
  2. Step 2: Convert to fraction form
    118,241.52/163,092.06 = 70,458/x
  3. Step 3: Cross multiply
    118,241.52x = 163,092.06 × 70,458
  4. Step 4: Simplify right side
    118,241.52x = 11,491,140,363.48
  5. Step 5: Solve for x
    x = 11,491,140,363.48/118,241.52
  6. Step 6: Final answer
    x = 97,183.63

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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.