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Finding the Fourth Proportional to 70,346.68, 97,163.63 and 51,196.08

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Solution

The fourth proportional to 70,346.68, 97,163.63 and 51,196.08 is: 70,712.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,346.68 : 97,163.63 = 51,196.08 : x
  2. Step 2: Convert to fraction form
    70,346.68/97,163.63 = 51,196.08/x
  3. Step 3: Cross multiply
    70,346.68x = 97,163.63 × 51,196.08
  4. Step 4: Simplify right side
    70,346.68x = 4,974,396,311.13
  5. Step 5: Solve for x
    x = 4,974,396,311.13/70,346.68
  6. Step 6: Final answer
    x = 70,712.60

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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.