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Finding the Fourth Proportional to 90,955.97, 125,523.02 and 50,669.72

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Solution

The fourth proportional to 90,955.97, 125,523.02 and 50,669.72 is: 69,926.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,955.97 : 125,523.02 = 50,669.72 : x
  2. Step 2: Convert to fraction form
    90,955.97/125,523.02 = 50,669.72/x
  3. Step 3: Cross multiply
    90,955.97x = 125,523.02 × 50,669.72
  4. Step 4: Simplify right side
    90,955.97x = 6,360,216,276.95
  5. Step 5: Solve for x
    x = 6,360,216,276.95/90,955.97
  6. Step 6: Final answer
    x = 69,926.32

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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.