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Finding the Fourth Proportional to 200,220.62, 300,014.79 and 162,597.62

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Solution

The fourth proportional to 200,220.62, 300,014.79 and 162,597.62 is: 243,639.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,220.62 : 300,014.79 = 162,597.62 : x
  2. Step 2: Convert to fraction form
    200,220.62/300,014.79 = 162,597.62/x
  3. Step 3: Cross multiply
    200,220.62x = 300,014.79 × 162,597.62
  4. Step 4: Simplify right side
    200,220.62x = 48,781,690,818.80
  5. Step 5: Solve for x
    x = 48,781,690,818.80/200,220.62
  6. Step 6: Final answer
    x = 243,639.70

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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.