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Finding the Fourth Proportional to 301,687.70, 452,531.55 and 91,336.10

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Solution

The fourth proportional to 301,687.70, 452,531.55 and 91,336.10 is: 137,004.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,687.70 : 452,531.55 = 91,336.10 : x
  2. Step 2: Convert to fraction form
    301,687.70/452,531.55 = 91,336.10/x
  3. Step 3: Cross multiply
    301,687.70x = 452,531.55 × 91,336.10
  4. Step 4: Simplify right side
    301,687.70x = 41,332,466,903.96
  5. Step 5: Solve for x
    x = 41,332,466,903.96/301,687.70
  6. Step 6: Final answer
    x = 137,004.15

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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.