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Finding the Fourth Proportional to 201,018.51, 277,409.39 and 110,383.76

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Solution

The fourth proportional to 201,018.51, 277,409.39 and 110,383.76 is: 152,331.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,018.51 : 277,409.39 = 110,383.76 : x
  2. Step 2: Convert to fraction form
    201,018.51/277,409.39 = 110,383.76/x
  3. Step 3: Cross multiply
    201,018.51x = 277,409.39 × 110,383.76
  4. Step 4: Simplify right side
    201,018.51x = 30,621,489,588.54
  5. Step 5: Solve for x
    x = 30,621,489,588.54/201,018.51
  6. Step 6: Final answer
    x = 152,331.69

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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.