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Finding the Fourth Proportional to 70,614.95, 97,405.83 and 41,915.69

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Solution

The fourth proportional to 70,614.95, 97,405.83 and 41,915.69 is: 57,818.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,614.95 : 97,405.83 = 41,915.69 : x
  2. Step 2: Convert to fraction form
    70,614.95/97,405.83 = 41,915.69/x
  3. Step 3: Cross multiply
    70,614.95x = 97,405.83 × 41,915.69
  4. Step 4: Simplify right side
    70,614.95x = 4,082,832,087.44
  5. Step 5: Solve for x
    x = 4,082,832,087.44/70,614.95
  6. Step 6: Final answer
    x = 57,818.24

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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.