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Finding the Fourth Proportional to 70,599.12, 105,898.71 and 44,322.31

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Solution

The fourth proportional to 70,599.12, 105,898.71 and 44,322.31 is: 66,483.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,599.12 : 105,898.71 = 44,322.31 : x
  2. Step 2: Convert to fraction form
    70,599.12/105,898.71 = 44,322.31/x
  3. Step 3: Cross multiply
    70,599.12x = 105,898.71 × 44,322.31
  4. Step 4: Simplify right side
    70,599.12x = 4,693,675,453.22
  5. Step 5: Solve for x
    x = 4,693,675,453.22/70,599.12
  6. Step 6: Final answer
    x = 66,483.48

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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.