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Finding the Fourth Proportional to 191,393.44, 264,122.95 and 106,510.57

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Solution

The fourth proportional to 191,393.44, 264,122.95 and 106,510.57 is: 146,984.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,393.44 : 264,122.95 = 106,510.57 : x
  2. Step 2: Convert to fraction form
    191,393.44/264,122.95 = 106,510.57/x
  3. Step 3: Cross multiply
    191,393.44x = 264,122.95 × 106,510.57
  4. Step 4: Simplify right side
    191,393.44x = 28,131,885,028.00
  5. Step 5: Solve for x
    x = 28,131,885,028.00/191,393.44
  6. Step 6: Final answer
    x = 146,984.59

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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.