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Finding the Fourth Proportional to 70,595.74, 105,893.64 and 44,318.94

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Solution

The fourth proportional to 70,595.74, 105,893.64 and 44,318.94 is: 66,478.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,595.74 : 105,893.64 = 44,318.94 : x
  2. Step 2: Convert to fraction form
    70,595.74/105,893.64 = 44,318.94/x
  3. Step 3: Cross multiply
    70,595.74x = 105,893.64 × 44,318.94
  4. Step 4: Simplify right side
    70,595.74x = 4,693,093,877.54
  5. Step 5: Solve for x
    x = 4,693,093,877.54/70,595.74
  6. Step 6: Final answer
    x = 66,478.43

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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.