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Finding the Fourth Proportional to 70,043.44, 96,642.72 and 44,926.96

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Solution

The fourth proportional to 70,043.44, 96,642.72 and 44,926.96 is: 61,988.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,043.44 : 96,642.72 = 44,926.96 : x
  2. Step 2: Convert to fraction form
    70,043.44/96,642.72 = 44,926.96/x
  3. Step 3: Cross multiply
    70,043.44x = 96,642.72 × 44,926.96
  4. Step 4: Simplify right side
    70,043.44x = 4,341,863,615.73
  5. Step 5: Solve for x
    x = 4,341,863,615.73/70,043.44
  6. Step 6: Final answer
    x = 61,988.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.