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Finding the Fourth Proportional to 160,454.59, 240,709.21 and 80,530.67

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Solution

The fourth proportional to 160,454.59, 240,709.21 and 80,530.67 is: 120,809.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,454.59 : 240,709.21 = 80,530.67 : x
  2. Step 2: Convert to fraction form
    160,454.59/240,709.21 = 80,530.67/x
  3. Step 3: Cross multiply
    160,454.59x = 240,709.21 × 80,530.67
  4. Step 4: Simplify right side
    160,454.59x = 19,384,473,956.47
  5. Step 5: Solve for x
    x = 19,384,473,956.47/160,454.59
  6. Step 6: Final answer
    x = 120,809.72

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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.