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Finding the Fourth Proportional to 144,646.83, 217,110.42 and 69,819.57

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Solution

The fourth proportional to 144,646.83, 217,110.42 and 69,819.57 is: 104,797.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,646.83 : 217,110.42 = 69,819.57 : x
  2. Step 2: Convert to fraction form
    144,646.83/217,110.42 = 69,819.57/x
  3. Step 3: Cross multiply
    144,646.83x = 217,110.42 × 69,819.57
  4. Step 4: Simplify right side
    144,646.83x = 15,158,556,166.92
  5. Step 5: Solve for x
    x = 15,158,556,166.92/144,646.83
  6. Step 6: Final answer
    x = 104,797.02

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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.