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Finding the Fourth Proportional to 260,524.62, 359,530.41 and 145,802.36

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Solution

The fourth proportional to 260,524.62, 359,530.41 and 145,802.36 is: 201,210.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,524.62 : 359,530.41 = 145,802.36 : x
  2. Step 2: Convert to fraction form
    260,524.62/359,530.41 = 145,802.36/x
  3. Step 3: Cross multiply
    260,524.62x = 359,530.41 × 145,802.36
  4. Step 4: Simplify right side
    260,524.62x = 52,420,380,472.12
  5. Step 5: Solve for x
    x = 52,420,380,472.12/260,524.62
  6. Step 6: Final answer
    x = 201,210.85

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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.