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Finding the Fourth Proportional to 377,997.90, 566,996.85 and 168,045.90

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Solution

The fourth proportional to 377,997.90, 566,996.85 and 168,045.90 is: 252,068.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,997.90 : 566,996.85 = 168,045.90 : x
  2. Step 2: Convert to fraction form
    377,997.90/566,996.85 = 168,045.90/x
  3. Step 3: Cross multiply
    377,997.90x = 566,996.85 × 168,045.90
  4. Step 4: Simplify right side
    377,997.90x = 95,281,495,955.42
  5. Step 5: Solve for x
    x = 95,281,495,955.42/377,997.90
  6. Step 6: Final answer
    x = 252,068.85

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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.