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Finding the Fourth Proportional to 91,087.94, 125,698.24 and 50,253.68

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Solution

The fourth proportional to 91,087.94, 125,698.24 and 50,253.68 is: 69,348.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,087.94 : 125,698.24 = 50,253.68 : x
  2. Step 2: Convert to fraction form
    91,087.94/125,698.24 = 50,253.68/x
  3. Step 3: Cross multiply
    91,087.94x = 125,698.24 × 50,253.68
  4. Step 4: Simplify right side
    91,087.94x = 6,316,799,129.52
  5. Step 5: Solve for x
    x = 6,316,799,129.52/91,087.94
  6. Step 6: Final answer
    x = 69,348.36

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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.