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Finding the Fourth Proportional to 191,602.78, 264,411.89 and 111,076.97

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Solution

The fourth proportional to 191,602.78, 264,411.89 and 111,076.97 is: 153,286.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,602.78 : 264,411.89 = 111,076.97 : x
  2. Step 2: Convert to fraction form
    191,602.78/264,411.89 = 111,076.97/x
  3. Step 3: Cross multiply
    191,602.78x = 264,411.89 × 111,076.97
  4. Step 4: Simplify right side
    191,602.78x = 29,370,071,573.17
  5. Step 5: Solve for x
    x = 29,370,071,573.17/191,602.78
  6. Step 6: Final answer
    x = 153,286.25

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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.