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Finding the Fourth Proportional to 90,959.40, 125,524.14 and 50,674.59

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Solution

The fourth proportional to 90,959.40, 125,524.14 and 50,674.59 is: 69,931.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,959.40 : 125,524.14 = 50,674.59 : x
  2. Step 2: Convert to fraction form
    90,959.40/125,524.14 = 50,674.59/x
  3. Step 3: Cross multiply
    90,959.40x = 125,524.14 × 50,674.59
  4. Step 4: Simplify right side
    90,959.40x = 6,360,884,329.60
  5. Step 5: Solve for x
    x = 6,360,884,329.60/90,959.40
  6. Step 6: Final answer
    x = 69,931.03

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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.