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Finding the Fourth Proportional to 194,409.60, 291,614.40 and 69,734.40

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Solution

The fourth proportional to 194,409.60, 291,614.40 and 69,734.40 is: 104,601.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,409.60 : 291,614.40 = 69,734.40 : x
  2. Step 2: Convert to fraction form
    194,409.60/291,614.40 = 69,734.40/x
  3. Step 3: Cross multiply
    194,409.60x = 291,614.40 × 69,734.40
  4. Step 4: Simplify right side
    194,409.60x = 20,335,555,215.36
  5. Step 5: Solve for x
    x = 20,335,555,215.36/194,409.60
  6. Step 6: Final answer
    x = 104,601.60

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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.