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Finding the Fourth Proportional to 194,393.39, 291,546.35 and 69,734.39

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Solution

The fourth proportional to 194,393.39, 291,546.35 and 69,734.39 is: 104,585.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,393.39 : 291,546.35 = 69,734.39 : x
  2. Step 2: Convert to fraction form
    194,393.39/291,546.35 = 69,734.39/x
  3. Step 3: Cross multiply
    194,393.39x = 291,546.35 × 69,734.39
  4. Step 4: Simplify right side
    194,393.39x = 20,330,807,887.06
  5. Step 5: Solve for x
    x = 20,330,807,887.06/194,393.39
  6. Step 6: Final answer
    x = 104,585.90

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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.