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Finding the Fourth Proportional to 161,622.88, 242,471.04 and 49,313.14

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Solution

The fourth proportional to 161,622.88, 242,471.04 and 49,313.14 is: 73,980.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,622.88 : 242,471.04 = 49,313.14 : x
  2. Step 2: Convert to fraction form
    161,622.88/242,471.04 = 49,313.14/x
  3. Step 3: Cross multiply
    161,622.88x = 242,471.04 × 49,313.14
  4. Step 4: Simplify right side
    161,622.88x = 11,957,008,341.47
  5. Step 5: Solve for x
    x = 11,957,008,341.47/161,622.88
  6. Step 6: Final answer
    x = 73,980.91

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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.