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Finding the Fourth Proportional to 58,219.76, 80,342.18 and 36,705.15

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Solution

The fourth proportional to 58,219.76, 80,342.18 and 36,705.15 is: 50,652.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,219.76 : 80,342.18 = 36,705.15 : x
  2. Step 2: Convert to fraction form
    58,219.76/80,342.18 = 36,705.15/x
  3. Step 3: Cross multiply
    58,219.76x = 80,342.18 × 36,705.15
  4. Step 4: Simplify right side
    58,219.76x = 2,948,971,722.35
  5. Step 5: Solve for x
    x = 2,948,971,722.35/58,219.76
  6. Step 6: Final answer
    x = 50,652.42

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.