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Finding the Fourth Proportional to 101,310.49, 151,918 and 59,202.74

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Solution

The fourth proportional to 101,310.49, 151,918 and 59,202.74 is: 88,776.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,310.49 : 151,918 = 59,202.74 : x
  2. Step 2: Convert to fraction form
    101,310.49/151,918 = 59,202.74/x
  3. Step 3: Cross multiply
    101,310.49x = 151,918 × 59,202.74
  4. Step 4: Simplify right side
    101,310.49x = 8,993,961,855.32
  5. Step 5: Solve for x
    x = 8,993,961,855.32/101,310.49
  6. Step 6: Final answer
    x = 88,776.22

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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.