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Finding the Fourth Proportional to 266,896.32, 368,301.50 and 146,039.97

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Solution

The fourth proportional to 266,896.32, 368,301.50 and 146,039.97 is: 201,526.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,896.32 : 368,301.50 = 146,039.97 : x
  2. Step 2: Convert to fraction form
    266,896.32/368,301.50 = 146,039.97/x
  3. Step 3: Cross multiply
    266,896.32x = 368,301.50 × 146,039.97
  4. Step 4: Simplify right side
    266,896.32x = 53,786,740,010.96
  5. Step 5: Solve for x
    x = 53,786,740,010.96/266,896.32
  6. Step 6: Final answer
    x = 201,526.72

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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.