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Finding the Fourth Proportional to 117,274.68, 175,956.30 and 70,560.36

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Solution

The fourth proportional to 117,274.68, 175,956.30 and 70,560.36 is: 105,867.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,274.68 : 175,956.30 = 70,560.36 : x
  2. Step 2: Convert to fraction form
    117,274.68/175,956.30 = 70,560.36/x
  3. Step 3: Cross multiply
    117,274.68x = 175,956.30 × 70,560.36
  4. Step 4: Simplify right side
    117,274.68x = 12,415,539,872.27
  5. Step 5: Solve for x
    x = 12,415,539,872.27/117,274.68
  6. Step 6: Final answer
    x = 105,867.18

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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.