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Finding the Fourth Proportional to 201,620.60, 302,467.35 and 101,528.90

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Solution

The fourth proportional to 201,620.60, 302,467.35 and 101,528.90 is: 152,311.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,620.60 : 302,467.35 = 101,528.90 : x
  2. Step 2: Convert to fraction form
    201,620.60/302,467.35 = 101,528.90/x
  3. Step 3: Cross multiply
    201,620.60x = 302,467.35 × 101,528.90
  4. Step 4: Simplify right side
    201,620.60x = 30,709,177,331.42
  5. Step 5: Solve for x
    x = 30,709,177,331.42/201,620.60
  6. Step 6: Final answer
    x = 152,311.70

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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.