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Finding the Fourth Proportional to 260,998.06, 360,165.27 and 147,821.62

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Solution

The fourth proportional to 260,998.06, 360,165.27 and 147,821.62 is: 203,987.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,998.06 : 360,165.27 = 147,821.62 : x
  2. Step 2: Convert to fraction form
    260,998.06/360,165.27 = 147,821.62/x
  3. Step 3: Cross multiply
    260,998.06x = 360,165.27 × 147,821.62
  4. Step 4: Simplify right side
    260,998.06x = 53,240,213,679.14
  5. Step 5: Solve for x
    x = 53,240,213,679.14/260,998.06
  6. Step 6: Final answer
    x = 203,987.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.