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Finding the Fourth Proportional to 101,403.50, 152,105.28 and 27,531.50

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Solution

The fourth proportional to 101,403.50, 152,105.28 and 27,531.50 is: 41,297.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,403.50 : 152,105.28 = 27,531.50 : x
  2. Step 2: Convert to fraction form
    101,403.50/152,105.28 = 27,531.50/x
  3. Step 3: Cross multiply
    101,403.50x = 152,105.28 × 27,531.50
  4. Step 4: Simplify right side
    101,403.50x = 4,187,686,516.32
  5. Step 5: Solve for x
    x = 4,187,686,516.32/101,403.50
  6. Step 6: Final answer
    x = 41,297.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.