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Finding the Fourth Proportional to 117,722.82, 175,475.24 and 108,274.98

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Solution

The fourth proportional to 117,722.82, 175,475.24 and 108,274.98 is: 161,392.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,722.82 : 175,475.24 = 108,274.98 : x
  2. Step 2: Convert to fraction form
    117,722.82/175,475.24 = 108,274.98/x
  3. Step 3: Cross multiply
    117,722.82x = 175,475.24 × 108,274.98
  4. Step 4: Simplify right side
    117,722.82x = 18,999,578,101.50
  5. Step 5: Solve for x
    x = 18,999,578,101.50/117,722.82
  6. Step 6: Final answer
    x = 161,392.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.