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Finding the Fourth Proportional to 104,956.92, 157,388.94 and 30,060

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Solution

The fourth proportional to 104,956.92, 157,388.94 and 30,060 is: 45,076.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,956.92 : 157,388.94 = 30,060 : x
  2. Step 2: Convert to fraction form
    104,956.92/157,388.94 = 30,060/x
  3. Step 3: Cross multiply
    104,956.92x = 157,388.94 × 30,060
  4. Step 4: Simplify right side
    104,956.92x = 4,731,111,536.40
  5. Step 5: Solve for x
    x = 4,731,111,536.40/104,956.92
  6. Step 6: Final answer
    x = 45,076.70

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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.