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Finding the Fourth Proportional to 191,449.59, 264,209.22 and 106,572.12

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Solution

The fourth proportional to 191,449.59, 264,209.22 and 106,572.12 is: 147,074.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,449.59 : 264,209.22 = 106,572.12 : x
  2. Step 2: Convert to fraction form
    191,449.59/264,209.22 = 106,572.12/x
  3. Step 3: Cross multiply
    191,449.59x = 264,209.22 × 106,572.12
  4. Step 4: Simplify right side
    191,449.59x = 28,157,336,698.95
  5. Step 5: Solve for x
    x = 28,157,336,698.95/191,449.59
  6. Step 6: Final answer
    x = 147,074.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.