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Finding the Fourth Proportional to 145,956.54, 218,944.06 and 61,701

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Solution

The fourth proportional to 145,956.54, 218,944.06 and 61,701 is: 92,555.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,956.54 : 218,944.06 = 61,701 : x
  2. Step 2: Convert to fraction form
    145,956.54/218,944.06 = 61,701/x
  3. Step 3: Cross multiply
    145,956.54x = 218,944.06 × 61,701
  4. Step 4: Simplify right side
    145,956.54x = 13,509,067,446.06
  5. Step 5: Solve for x
    x = 13,509,067,446.06/145,956.54
  6. Step 6: Final answer
    x = 92,555.41

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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.