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Finding the Fourth Proportional to 147,202.56, 220,659.84 and 58,426.56

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Solution

The fourth proportional to 147,202.56, 220,659.84 and 58,426.56 is: 87,582.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,202.56 : 220,659.84 = 58,426.56 : x
  2. Step 2: Convert to fraction form
    147,202.56/220,659.84 = 58,426.56/x
  3. Step 3: Cross multiply
    147,202.56x = 220,659.84 × 58,426.56
  4. Step 4: Simplify right side
    147,202.56x = 12,892,395,381.35
  5. Step 5: Solve for x
    x = 12,892,395,381.35/147,202.56
  6. Step 6: Final answer
    x = 87,582.68

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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.