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Finding the Fourth Proportional to 100,058.24, 150,012.84 and 60,605.84

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Solution

The fourth proportional to 100,058.24, 150,012.84 and 60,605.84 is: 90,863.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,058.24 : 150,012.84 = 60,605.84 : x
  2. Step 2: Convert to fraction form
    100,058.24/150,012.84 = 60,605.84/x
  3. Step 3: Cross multiply
    100,058.24x = 150,012.84 × 60,605.84
  4. Step 4: Simplify right side
    100,058.24x = 9,091,654,178.99
  5. Step 5: Solve for x
    x = 9,091,654,178.99/100,058.24
  6. Step 6: Final answer
    x = 90,863.62

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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.