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Finding the Fourth Proportional to 147,318.56, 220,977.72 and 36,510.56

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Solution

The fourth proportional to 147,318.56, 220,977.72 and 36,510.56 is: 54,765.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,318.56 : 220,977.72 = 36,510.56 : x
  2. Step 2: Convert to fraction form
    147,318.56/220,977.72 = 36,510.56/x
  3. Step 3: Cross multiply
    147,318.56x = 220,977.72 × 36,510.56
  4. Step 4: Simplify right side
    147,318.56x = 8,068,020,304.72
  5. Step 5: Solve for x
    x = 8,068,020,304.72/147,318.56
  6. Step 6: Final answer
    x = 54,765.81

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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.