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Finding the Fourth Proportional to 90,953.38, 124,606.73 and 87,544.38

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Solution

The fourth proportional to 90,953.38, 124,606.73 and 87,544.38 is: 119,936.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,953.38 : 124,606.73 = 87,544.38 : x
  2. Step 2: Convert to fraction form
    90,953.38/124,606.73 = 87,544.38/x
  3. Step 3: Cross multiply
    90,953.38x = 124,606.73 × 87,544.38
  4. Step 4: Simplify right side
    90,953.38x = 10,908,618,921.68
  5. Step 5: Solve for x
    x = 10,908,618,921.68/90,953.38
  6. Step 6: Final answer
    x = 119,936.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.