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Finding the Fourth Proportional to 357,705.56, 536,224.80 and 120,882.62

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Solution

The fourth proportional to 357,705.56, 536,224.80 and 120,882.62 is: 181,211.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,705.56 : 536,224.80 = 120,882.62 : x
  2. Step 2: Convert to fraction form
    357,705.56/536,224.80 = 120,882.62/x
  3. Step 3: Cross multiply
    357,705.56x = 536,224.80 × 120,882.62
  4. Step 4: Simplify right side
    357,705.56x = 64,820,258,732.98
  5. Step 5: Solve for x
    x = 64,820,258,732.98/357,705.56
  6. Step 6: Final answer
    x = 181,211.21

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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.