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Finding the Fourth Proportional to 163,003.20, 244,213.20 and 137,925.60

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Solution

The fourth proportional to 163,003.20, 244,213.20 and 137,925.60 is: 206,641.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,003.20 : 244,213.20 = 137,925.60 : x
  2. Step 2: Convert to fraction form
    163,003.20/244,213.20 = 137,925.60/x
  3. Step 3: Cross multiply
    163,003.20x = 244,213.20 × 137,925.60
  4. Step 4: Simplify right side
    163,003.20x = 33,683,252,137.92
  5. Step 5: Solve for x
    x = 33,683,252,137.92/163,003.20
  6. Step 6: Final answer
    x = 206,641.66

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1.5x scale

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.