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Finding the Fourth Proportional to 92,661.75, 127,873.49 and 50,220.45

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Solution

The fourth proportional to 92,661.75, 127,873.49 and 50,220.45 is: 69,304.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,661.75 : 127,873.49 = 50,220.45 : x
  2. Step 2: Convert to fraction form
    92,661.75/127,873.49 = 50,220.45/x
  3. Step 3: Cross multiply
    92,661.75x = 127,873.49 × 50,220.45
  4. Step 4: Simplify right side
    92,661.75x = 6,421,863,959.77
  5. Step 5: Solve for x
    x = 6,421,863,959.77/92,661.75
  6. Step 6: Final answer
    x = 69,304.37

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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.