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Finding the Fourth Proportional to 163,594, 245,448.60 and 80,546.32

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Solution

The fourth proportional to 163,594, 245,448.60 and 80,546.32 is: 120,847.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,594 : 245,448.60 = 80,546.32 : x
  2. Step 2: Convert to fraction form
    163,594/245,448.60 = 80,546.32/x
  3. Step 3: Cross multiply
    163,594x = 245,448.60 × 80,546.32
  4. Step 4: Simplify right side
    163,594x = 19,769,981,479.15
  5. Step 5: Solve for x
    x = 19,769,981,479.15/163,594
  6. Step 6: Final answer
    x = 120,847.84

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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.