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Finding the Fourth Proportional to 161,894.19, 242,819.42 and 43,572.63

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Solution

The fourth proportional to 161,894.19, 242,819.42 and 43,572.63 is: 65,353.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,894.19 : 242,819.42 = 43,572.63 : x
  2. Step 2: Convert to fraction form
    161,894.19/242,819.42 = 43,572.63/x
  3. Step 3: Cross multiply
    161,894.19x = 242,819.42 × 43,572.63
  4. Step 4: Simplify right side
    161,894.19x = 10,580,281,682.28
  5. Step 5: Solve for x
    x = 10,580,281,682.28/161,894.19
  6. Step 6: Final answer
    x = 65,353.06

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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.