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Finding the Fourth Proportional to 191,038.78, 263,523.72 and 119,294.26

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Solution

The fourth proportional to 191,038.78, 263,523.72 and 119,294.26 is: 164,557.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,038.78 : 263,523.72 = 119,294.26 : x
  2. Step 2: Convert to fraction form
    191,038.78/263,523.72 = 119,294.26/x
  3. Step 3: Cross multiply
    191,038.78x = 263,523.72 × 119,294.26
  4. Step 4: Simplify right side
    191,038.78x = 31,436,867,169.85
  5. Step 5: Solve for x
    x = 31,436,867,169.85/191,038.78
  6. Step 6: Final answer
    x = 164,557.52

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1.5x scale

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.