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Finding the Fourth Proportional to 191,602, 264,418.84 and 106,719.04

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Solution

The fourth proportional to 191,602, 264,418.84 and 106,719.04 is: 147,276.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,602 : 264,418.84 = 106,719.04 : x
  2. Step 2: Convert to fraction form
    191,602/264,418.84 = 106,719.04/x
  3. Step 3: Cross multiply
    191,602x = 264,418.84 × 106,719.04
  4. Step 4: Simplify right side
    191,602x = 28,218,524,762.71
  5. Step 5: Solve for x
    x = 28,218,524,762.71/191,602
  6. Step 6: Final answer
    x = 147,276.78

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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.