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Finding the Fourth Proportional to 357,261.27, 535,941.19 and 132,602.61

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Solution

The fourth proportional to 357,261.27, 535,941.19 and 132,602.61 is: 198,922.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,261.27 : 535,941.19 = 132,602.61 : x
  2. Step 2: Convert to fraction form
    357,261.27/535,941.19 = 132,602.61/x
  3. Step 3: Cross multiply
    357,261.27x = 535,941.19 × 132,602.61
  4. Step 4: Simplify right side
    357,261.27x = 71,067,200,600.51
  5. Step 5: Solve for x
    x = 71,067,200,600.51/357,261.27
  6. Step 6: Final answer
    x = 198,922.21

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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.