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Finding the Fourth Proportional to 163,175.96, 244,736.40 and 63,320.78

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Solution

The fourth proportional to 163,175.96, 244,736.40 and 63,320.78 is: 94,970.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,175.96 : 244,736.40 = 63,320.78 : x
  2. Step 2: Convert to fraction form
    163,175.96/244,736.40 = 63,320.78/x
  3. Step 3: Cross multiply
    163,175.96x = 244,736.40 × 63,320.78
  4. Step 4: Simplify right side
    163,175.96x = 15,496,899,742.39
  5. Step 5: Solve for x
    x = 15,496,899,742.39/163,175.96
  6. Step 6: Final answer
    x = 94,970.48

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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.