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Finding the Fourth Proportional to 260,725.76, 359,801.60 and 141,493.76

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Solution

The fourth proportional to 260,725.76, 359,801.60 and 141,493.76 is: 195,261.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,725.76 : 359,801.60 = 141,493.76 : x
  2. Step 2: Convert to fraction form
    260,725.76/359,801.60 = 141,493.76/x
  3. Step 3: Cross multiply
    260,725.76x = 359,801.60 × 141,493.76
  4. Step 4: Simplify right side
    260,725.76x = 50,909,681,238.02
  5. Step 5: Solve for x
    x = 50,909,681,238.02/260,725.76
  6. Step 6: Final answer
    x = 195,261.42

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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.