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Finding the Fourth Proportional to 147,199.77, 220,768.70 and 41,990.49

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Solution

The fourth proportional to 147,199.77, 220,768.70 and 41,990.49 is: 62,976.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,199.77 : 220,768.70 = 41,990.49 : x
  2. Step 2: Convert to fraction form
    147,199.77/220,768.70 = 41,990.49/x
  3. Step 3: Cross multiply
    147,199.77x = 220,768.70 × 41,990.49
  4. Step 4: Simplify right side
    147,199.77x = 9,270,185,679.71
  5. Step 5: Solve for x
    x = 9,270,185,679.71/147,199.77
  6. Step 6: Final answer
    x = 62,976.90

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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.