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Finding the Fourth Proportional to 70,956.45, 97,965.54 and 44,135.46

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Solution

The fourth proportional to 70,956.45, 97,965.54 and 44,135.46 is: 60,935.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,956.45 : 97,965.54 = 44,135.46 : x
  2. Step 2: Convert to fraction form
    70,956.45/97,965.54 = 44,135.46/x
  3. Step 3: Cross multiply
    70,956.45x = 97,965.54 × 44,135.46
  4. Step 4: Simplify right side
    70,956.45x = 4,323,754,172.05
  5. Step 5: Solve for x
    x = 4,323,754,172.05/70,956.45
  6. Step 6: Final answer
    x = 60,935.32

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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.