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Finding the Fourth Proportional to 101,298.98, 151,993.02 and 53,902.91

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Solution

The fourth proportional to 101,298.98, 151,993.02 and 53,902.91 is: 80,878.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,298.98 : 151,993.02 = 53,902.91 : x
  2. Step 2: Convert to fraction form
    101,298.98/151,993.02 = 53,902.91/x
  3. Step 3: Cross multiply
    101,298.98x = 151,993.02 × 53,902.91
  4. Step 4: Simplify right side
    101,298.98x = 8,192,866,077.69
  5. Step 5: Solve for x
    x = 8,192,866,077.69/101,298.98
  6. Step 6: Final answer
    x = 80,878.07

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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.