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Finding the Fourth Proportional to 191,751.46, 264,626.02 and 106,869.13

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Solution

The fourth proportional to 191,751.46, 264,626.02 and 106,869.13 is: 147,484.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,751.46 : 264,626.02 = 106,869.13 : x
  2. Step 2: Convert to fraction form
    191,751.46/264,626.02 = 106,869.13/x
  3. Step 3: Cross multiply
    191,751.46x = 264,626.02 × 106,869.13
  4. Step 4: Simplify right side
    191,751.46x = 28,280,352,004.78
  5. Step 5: Solve for x
    x = 28,280,352,004.78/191,751.46
  6. Step 6: Final answer
    x = 147,484.42

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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.