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Finding the Fourth Proportional to 70,611.68, 105,905.82 and 23,227.35

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Solution

The fourth proportional to 70,611.68, 105,905.82 and 23,227.35 is: 34,837.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,611.68 : 105,905.82 = 23,227.35 : x
  2. Step 2: Convert to fraction form
    70,611.68/105,905.82 = 23,227.35/x
  3. Step 3: Cross multiply
    70,611.68x = 105,905.82 × 23,227.35
  4. Step 4: Simplify right side
    70,611.68x = 2,459,911,548.18
  5. Step 5: Solve for x
    x = 2,459,911,548.18/70,611.68
  6. Step 6: Final answer
    x = 34,837.18

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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.