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Finding the Fourth Proportional to 70,096.29, 105,081.91 and 25,712.74

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Solution

The fourth proportional to 70,096.29, 105,081.91 and 25,712.74 is: 38,546.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,096.29 : 105,081.91 = 25,712.74 : x
  2. Step 2: Convert to fraction form
    70,096.29/105,081.91 = 25,712.74/x
  3. Step 3: Cross multiply
    70,096.29x = 105,081.91 × 25,712.74
  4. Step 4: Simplify right side
    70,096.29x = 2,701,943,897.60
  5. Step 5: Solve for x
    x = 2,701,943,897.60/70,096.29
  6. Step 6: Final answer
    x = 38,546.18

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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.