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Finding the Fourth Proportional to 191,580.36, 264,369.74 and 140,806.32

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Solution

The fourth proportional to 191,580.36, 264,369.74 and 140,806.32 is: 194,304.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,580.36 : 264,369.74 = 140,806.32 : x
  2. Step 2: Convert to fraction form
    191,580.36/264,369.74 = 140,806.32/x
  3. Step 3: Cross multiply
    191,580.36x = 264,369.74 × 140,806.32
  4. Step 4: Simplify right side
    191,580.36x = 37,224,929,504.73
  5. Step 5: Solve for x
    x = 37,224,929,504.73/191,580.36
  6. Step 6: Final answer
    x = 194,304.52

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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.