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Finding the Fourth Proportional to 562,499.84, 843,755.23 and 141,775.72

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Solution

The fourth proportional to 562,499.84, 843,755.23 and 141,775.72 is: 212,664.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,499.84 : 843,755.23 = 141,775.72 : x
  2. Step 2: Convert to fraction form
    562,499.84/843,755.23 = 141,775.72/x
  3. Step 3: Cross multiply
    562,499.84x = 843,755.23 × 141,775.72
  4. Step 4: Simplify right side
    562,499.84x = 119,624,003,304.85
  5. Step 5: Solve for x
    x = 119,624,003,304.85/562,499.84
  6. Step 6: Final answer
    x = 212,664.95

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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.