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Finding the Fourth Proportional to 91,225.48, 125,880.04 and 50,941.48

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Solution

The fourth proportional to 91,225.48, 125,880.04 and 50,941.48 is: 70,293.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,225.48 : 125,880.04 = 50,941.48 : x
  2. Step 2: Convert to fraction form
    91,225.48/125,880.04 = 50,941.48/x
  3. Step 3: Cross multiply
    91,225.48x = 125,880.04 × 50,941.48
  4. Step 4: Simplify right side
    91,225.48x = 6,412,515,540.06
  5. Step 5: Solve for x
    x = 6,412,515,540.06/91,225.48
  6. Step 6: Final answer
    x = 70,293.03

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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.