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Finding the Fourth Proportional to 191,673.80, 264,510.12 and 106,793.84

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Solution

The fourth proportional to 191,673.80, 264,510.12 and 106,793.84 is: 147,375.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,673.80 : 264,510.12 = 106,793.84 : x
  2. Step 2: Convert to fraction form
    191,673.80/264,510.12 = 106,793.84/x
  3. Step 3: Cross multiply
    191,673.80x = 264,510.12 × 106,793.84
  4. Step 4: Simplify right side
    191,673.80x = 28,248,051,433.66
  5. Step 5: Solve for x
    x = 28,248,051,433.66/191,673.80
  6. Step 6: Final answer
    x = 147,375.65

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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.