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Finding the Fourth Proportional to 191,937.19, 264,787.62 and 111,318.02

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Solution

The fourth proportional to 191,937.19, 264,787.62 and 111,318.02 is: 153,569.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,937.19 : 264,787.62 = 111,318.02 : x
  2. Step 2: Convert to fraction form
    191,937.19/264,787.62 = 111,318.02/x
  3. Step 3: Cross multiply
    191,937.19x = 264,787.62 × 111,318.02
  4. Step 4: Simplify right side
    191,937.19x = 29,475,633,578.91
  5. Step 5: Solve for x
    x = 29,475,633,578.91/191,937.19
  6. Step 6: Final answer
    x = 153,569.16

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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.