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Finding the Fourth Proportional to 260,697.25, 359,762.21 and 141,465.25

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Solution

The fourth proportional to 260,697.25, 359,762.21 and 141,465.25 is: 195,222.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,697.25 : 359,762.21 = 141,465.25 : x
  2. Step 2: Convert to fraction form
    260,697.25/359,762.21 = 141,465.25/x
  3. Step 3: Cross multiply
    260,697.25x = 359,762.21 × 141,465.25
  4. Step 4: Simplify right side
    260,697.25x = 50,893,850,978.20
  5. Step 5: Solve for x
    x = 50,893,850,978.20/260,697.25
  6. Step 6: Final answer
    x = 195,222.05

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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.