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Finding the Fourth Proportional to 237,090.60, 355,561.86 and 79,282.20

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Solution

The fourth proportional to 237,090.60, 355,561.86 and 79,282.20 is: 118,898.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,090.60 : 355,561.86 = 79,282.20 : x
  2. Step 2: Convert to fraction form
    237,090.60/355,561.86 = 79,282.20/x
  3. Step 3: Cross multiply
    237,090.60x = 355,561.86 × 79,282.20
  4. Step 4: Simplify right side
    237,090.60x = 28,189,726,496.89
  5. Step 5: Solve for x
    x = 28,189,726,496.89/237,090.60
  6. Step 6: Final answer
    x = 118,898.54

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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.