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Finding the Fourth Proportional to 101,012.16, 151,520.54 and 29,933.45

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Solution

The fourth proportional to 101,012.16, 151,520.54 and 29,933.45 is: 44,900.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,012.16 : 151,520.54 = 29,933.45 : x
  2. Step 2: Convert to fraction form
    101,012.16/151,520.54 = 29,933.45/x
  3. Step 3: Cross multiply
    101,012.16x = 151,520.54 × 29,933.45
  4. Step 4: Simplify right side
    101,012.16x = 4,535,531,600.79
  5. Step 5: Solve for x
    x = 4,535,531,600.79/101,012.16
  6. Step 6: Final answer
    x = 44,900.85

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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.