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Finding the Fourth Proportional to 70,117.56, 105,176.88 and 23,370.39

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Solution

The fourth proportional to 70,117.56, 105,176.88 and 23,370.39 is: 35,055.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,117.56 : 105,176.88 = 23,370.39 : x
  2. Step 2: Convert to fraction form
    70,117.56/105,176.88 = 23,370.39/x
  3. Step 3: Cross multiply
    70,117.56x = 105,176.88 × 23,370.39
  4. Step 4: Simplify right side
    70,117.56x = 2,458,024,704.58
  5. Step 5: Solve for x
    x = 2,458,024,704.58/70,117.56
  6. Step 6: Final answer
    x = 35,055.76

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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.