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Finding the Fourth Proportional to 201,550.38, 278,140.53 and 110,904.09

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Solution

The fourth proportional to 201,550.38, 278,140.53 and 110,904.09 is: 153,048.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,550.38 : 278,140.53 = 110,904.09 : x
  2. Step 2: Convert to fraction form
    201,550.38/278,140.53 = 110,904.09/x
  3. Step 3: Cross multiply
    201,550.38x = 278,140.53 × 110,904.09
  4. Step 4: Simplify right side
    201,550.38x = 30,846,922,371.77
  5. Step 5: Solve for x
    x = 30,846,922,371.77/201,550.38
  6. Step 6: Final answer
    x = 153,048.20

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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.