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Finding the Fourth Proportional to 191,229.73, 264,005.13 and 145,548.97

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Solution

The fourth proportional to 191,229.73, 264,005.13 and 145,548.97 is: 200,939.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,229.73 : 264,005.13 = 145,548.97 : x
  2. Step 2: Convert to fraction form
    191,229.73/264,005.13 = 145,548.97/x
  3. Step 3: Cross multiply
    191,229.73x = 264,005.13 × 145,548.97
  4. Step 4: Simplify right side
    191,229.73x = 38,425,674,746.22
  5. Step 5: Solve for x
    x = 38,425,674,746.22/191,229.73
  6. Step 6: Final answer
    x = 200,939.86

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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.