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Finding the Fourth Proportional to 191,793.42, 264,663.99 and 106,907.58

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Solution

The fourth proportional to 191,793.42, 264,663.99 and 106,907.58 is: 147,526.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,793.42 : 264,663.99 = 106,907.58 : x
  2. Step 2: Convert to fraction form
    191,793.42/264,663.99 = 106,907.58/x
  3. Step 3: Cross multiply
    191,793.42x = 264,663.99 × 106,907.58
  4. Step 4: Simplify right side
    191,793.42x = 28,294,586,684.04
  5. Step 5: Solve for x
    x = 28,294,586,684.04/191,793.42
  6. Step 6: Final answer
    x = 147,526.37

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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.