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Finding the Fourth Proportional to 508,140.98, 762,211.52 and 134,167.22

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Solution

The fourth proportional to 508,140.98, 762,211.52 and 134,167.22 is: 201,250.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,140.98 : 762,211.52 = 134,167.22 : x
  2. Step 2: Convert to fraction form
    508,140.98/762,211.52 = 134,167.22/x
  3. Step 3: Cross multiply
    508,140.98x = 762,211.52 × 134,167.22
  4. Step 4: Simplify right side
    508,140.98x = 102,263,800,690.37
  5. Step 5: Solve for x
    x = 102,263,800,690.37/508,140.98
  6. Step 6: Final answer
    x = 201,250.84

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Similar ratio
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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.