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Finding the Fourth Proportional to 191,505.69, 264,273.17 and 106,620.93

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Solution

The fourth proportional to 191,505.69, 264,273.17 and 106,620.93 is: 147,134.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,505.69 : 264,273.17 = 106,620.93 : x
  2. Step 2: Convert to fraction form
    191,505.69/264,273.17 = 106,620.93/x
  3. Step 3: Cross multiply
    191,505.69x = 264,273.17 × 106,620.93
  4. Step 4: Simplify right side
    191,505.69x = 28,177,050,626.34
  5. Step 5: Solve for x
    x = 28,177,050,626.34/191,505.69
  6. Step 6: Final answer
    x = 147,134.27

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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.