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Finding the Fourth Proportional to 162,818.80, 244,228.20 and 155,906.80

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Solution

The fourth proportional to 162,818.80, 244,228.20 and 155,906.80 is: 233,860.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,818.80 : 244,228.20 = 155,906.80 : x
  2. Step 2: Convert to fraction form
    162,818.80/244,228.20 = 155,906.80/x
  3. Step 3: Cross multiply
    162,818.80x = 244,228.20 × 155,906.80
  4. Step 4: Simplify right side
    162,818.80x = 38,076,837,131.76
  5. Step 5: Solve for x
    x = 38,076,837,131.76/162,818.80
  6. Step 6: Final answer
    x = 233,860.20

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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.