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Finding the Fourth Proportional to 134,690.40, 202,327.20 and 129,733.20

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Solution

The fourth proportional to 134,690.40, 202,327.20 and 129,733.20 is: 194,880.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,690.40 : 202,327.20 = 129,733.20 : x
  2. Step 2: Convert to fraction form
    134,690.40/202,327.20 = 129,733.20/x
  3. Step 3: Cross multiply
    134,690.40x = 202,327.20 × 129,733.20
  4. Step 4: Simplify right side
    134,690.40x = 26,248,555,103.04
  5. Step 5: Solve for x
    x = 26,248,555,103.04/134,690.40
  6. Step 6: Final answer
    x = 194,880.67

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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.