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Finding the Fourth Proportional to 191,883.83, 264,847.14 and 130,731.21

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Solution

The fourth proportional to 191,883.83, 264,847.14 and 130,731.21 is: 180,441.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,883.83 : 264,847.14 = 130,731.21 : x
  2. Step 2: Convert to fraction form
    191,883.83/264,847.14 = 130,731.21/x
  3. Step 3: Cross multiply
    191,883.83x = 264,847.14 × 130,731.21
  4. Step 4: Simplify right side
    191,883.83x = 34,623,787,077.24
  5. Step 5: Solve for x
    x = 34,623,787,077.24/191,883.83
  6. Step 6: Final answer
    x = 180,441.41

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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.