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Finding the Fourth Proportional to 201,500.10, 302,444.55 and 101,772.90

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Solution

The fourth proportional to 201,500.10, 302,444.55 and 101,772.90 is: 152,757.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,500.10 : 302,444.55 = 101,772.90 : x
  2. Step 2: Convert to fraction form
    201,500.10/302,444.55 = 101,772.90/x
  3. Step 3: Cross multiply
    201,500.10x = 302,444.55 × 101,772.90
  4. Step 4: Simplify right side
    201,500.10x = 30,780,658,942.70
  5. Step 5: Solve for x
    x = 30,780,658,942.70/201,500.10
  6. Step 6: Final answer
    x = 152,757.54

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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.