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Finding the Fourth Proportional to 191,980.29, 264,914.40 and 107,102.82

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Solution

The fourth proportional to 191,980.29, 264,914.40 and 107,102.82 is: 147,791.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,980.29 : 264,914.40 = 107,102.82 : x
  2. Step 2: Convert to fraction form
    191,980.29/264,914.40 = 107,102.82/x
  3. Step 3: Cross multiply
    191,980.29x = 264,914.40 × 107,102.82
  4. Step 4: Simplify right side
    191,980.29x = 28,373,079,298.61
  5. Step 5: Solve for x
    x = 28,373,079,298.61/191,980.29
  6. Step 6: Final answer
    x = 147,791.63

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1.5x scale

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.