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Finding the Fourth Proportional to 191,767.56, 264,670.46 and 115,363.89

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Solution

The fourth proportional to 191,767.56, 264,670.46 and 115,363.89 is: 159,220.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,767.56 : 264,670.46 = 115,363.89 : x
  2. Step 2: Convert to fraction form
    191,767.56/264,670.46 = 115,363.89/x
  3. Step 3: Cross multiply
    191,767.56x = 264,670.46 × 115,363.89
  4. Step 4: Simplify right side
    191,767.56x = 30,533,413,291.03
  5. Step 5: Solve for x
    x = 30,533,413,291.03/191,767.56
  6. Step 6: Final answer
    x = 159,220.95

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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.