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Finding the Fourth Proportional to 74,956.86, 112,471.74 and 35,466.93

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Solution

The fourth proportional to 74,956.86, 112,471.74 and 35,466.93 is: 53,217.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,956.86 : 112,471.74 = 35,466.93 : x
  2. Step 2: Convert to fraction form
    74,956.86/112,471.74 = 35,466.93/x
  3. Step 3: Cross multiply
    74,956.86x = 112,471.74 × 35,466.93
  4. Step 4: Simplify right side
    74,956.86x = 3,989,027,329.56
  5. Step 5: Solve for x
    x = 3,989,027,329.56/74,956.86
  6. Step 6: Final answer
    x = 53,217.64

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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.