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Finding the Fourth Proportional to 161,376.85, 242,024.10 and 114,432.85

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Solution

The fourth proportional to 161,376.85, 242,024.10 and 114,432.85 is: 171,620.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,376.85 : 242,024.10 = 114,432.85 : x
  2. Step 2: Convert to fraction form
    161,376.85/242,024.10 = 114,432.85/x
  3. Step 3: Cross multiply
    161,376.85x = 242,024.10 × 114,432.85
  4. Step 4: Simplify right side
    161,376.85x = 27,695,507,531.69
  5. Step 5: Solve for x
    x = 27,695,507,531.69/161,376.85
  6. Step 6: Final answer
    x = 171,620.08

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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.