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Finding the Fourth Proportional to 437,101.48, 655,652.94 and 121,558.60

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Solution

The fourth proportional to 437,101.48, 655,652.94 and 121,558.60 is: 182,338.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,101.48 : 655,652.94 = 121,558.60 : x
  2. Step 2: Convert to fraction form
    437,101.48/655,652.94 = 121,558.60/x
  3. Step 3: Cross multiply
    437,101.48x = 655,652.94 × 121,558.60
  4. Step 4: Simplify right side
    437,101.48x = 79,700,253,472.28
  5. Step 5: Solve for x
    x = 79,700,253,472.28/437,101.48
  6. Step 6: Final answer
    x = 182,338.10

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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.