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Finding the Fourth Proportional to 191,796.40, 264,682.52 and 106,904.32

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Solution

The fourth proportional to 191,796.40, 264,682.52 and 106,904.32 is: 147,529.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,796.40 : 264,682.52 = 106,904.32 : x
  2. Step 2: Convert to fraction form
    191,796.40/264,682.52 = 106,904.32/x
  3. Step 3: Cross multiply
    191,796.40x = 264,682.52 × 106,904.32
  4. Step 4: Simplify right side
    191,796.40x = 28,295,704,816.49
  5. Step 5: Solve for x
    x = 28,295,704,816.49/191,796.40
  6. Step 6: Final answer
    x = 147,529.91

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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.