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Finding the Fourth Proportional to 91,130.37, 125,759.73 and 50,841.73

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Solution

The fourth proportional to 91,130.37, 125,759.73 and 50,841.73 is: 70,161.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,130.37 : 125,759.73 = 50,841.73 : x
  2. Step 2: Convert to fraction form
    91,130.37/125,759.73 = 50,841.73/x
  3. Step 3: Cross multiply
    91,130.37x = 125,759.73 × 50,841.73
  4. Step 4: Simplify right side
    91,130.37x = 6,393,842,237.53
  5. Step 5: Solve for x
    x = 6,393,842,237.53/91,130.37
  6. Step 6: Final answer
    x = 70,161.49

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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.