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Finding the Fourth Proportional to 191,656.74, 264,486.72 and 106,776.84

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Solution

The fourth proportional to 191,656.74, 264,486.72 and 106,776.84 is: 147,352.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,656.74 : 264,486.72 = 106,776.84 : x
  2. Step 2: Convert to fraction form
    191,656.74/264,486.72 = 106,776.84/x
  3. Step 3: Cross multiply
    191,656.74x = 264,486.72 × 106,776.84
  4. Step 4: Simplify right side
    191,656.74x = 28,241,056,183.56
  5. Step 5: Solve for x
    x = 28,241,056,183.56/191,656.74
  6. Step 6: Final answer
    x = 147,352.27

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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.