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Finding the Fourth Proportional to 191,737.49, 264,617.48 and 115,281.59

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Solution

The fourth proportional to 191,737.49, 264,617.48 and 115,281.59 is: 159,100.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,737.49 : 264,617.48 = 115,281.59 : x
  2. Step 2: Convert to fraction form
    191,737.49/264,617.48 = 115,281.59/x
  3. Step 3: Cross multiply
    191,737.49x = 264,617.48 × 115,281.59
  4. Step 4: Simplify right side
    191,737.49x = 30,505,522,801.31
  5. Step 5: Solve for x
    x = 30,505,522,801.31/191,737.49
  6. Step 6: Final answer
    x = 159,100.46

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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.