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Finding the Fourth Proportional to 180,397.92, 270,690.27 and 130,886.67

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Solution

The fourth proportional to 180,397.92, 270,690.27 and 130,886.67 is: 196,397.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,397.92 : 270,690.27 = 130,886.67 : x
  2. Step 2: Convert to fraction form
    180,397.92/270,690.27 = 130,886.67/x
  3. Step 3: Cross multiply
    180,397.92x = 270,690.27 × 130,886.67
  4. Step 4: Simplify right side
    180,397.92x = 35,429,748,041.70
  5. Step 5: Solve for x
    x = 35,429,748,041.70/180,397.92
  6. Step 6: Final answer
    x = 196,397.76

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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.