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Finding the Fourth Proportional to 70,892.55, 106,163.75 and 52,837.49

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Solution

The fourth proportional to 70,892.55, 106,163.75 and 52,837.49 is: 79,125.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,892.55 : 106,163.75 = 52,837.49 : x
  2. Step 2: Convert to fraction form
    70,892.55/106,163.75 = 52,837.49/x
  3. Step 3: Cross multiply
    70,892.55x = 106,163.75 × 52,837.49
  4. Step 4: Simplify right side
    70,892.55x = 5,609,426,078.99
  5. Step 5: Solve for x
    x = 5,609,426,078.99/70,892.55
  6. Step 6: Final answer
    x = 79,125.75

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1.5x scale

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.