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Finding the Fourth Proportional to 201,706.60, 302,559.90 and 186,500.20

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Solution

The fourth proportional to 201,706.60, 302,559.90 and 186,500.20 is: 279,750.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,706.60 : 302,559.90 = 186,500.20 : x
  2. Step 2: Convert to fraction form
    201,706.60/302,559.90 = 186,500.20/x
  3. Step 3: Cross multiply
    201,706.60x = 302,559.90 × 186,500.20
  4. Step 4: Simplify right side
    201,706.60x = 56,427,481,861.98
  5. Step 5: Solve for x
    x = 56,427,481,861.98/201,706.60
  6. Step 6: Final answer
    x = 279,750.30

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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.