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Finding the Fourth Proportional to 163,086.80, 244,630.20 and 149,308.70

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Solution

The fourth proportional to 163,086.80, 244,630.20 and 149,308.70 is: 223,963.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,086.80 : 244,630.20 = 149,308.70 : x
  2. Step 2: Convert to fraction form
    163,086.80/244,630.20 = 149,308.70/x
  3. Step 3: Cross multiply
    163,086.80x = 244,630.20 × 149,308.70
  4. Step 4: Simplify right side
    163,086.80x = 36,525,417,142.74
  5. Step 5: Solve for x
    x = 36,525,417,142.74/163,086.80
  6. Step 6: Final answer
    x = 223,963.05

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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.