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Finding the Fourth Proportional to 201,015.51, 277,405.25 and 110,380.76

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Solution

The fourth proportional to 201,015.51, 277,405.25 and 110,380.76 is: 152,327.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,015.51 : 277,405.25 = 110,380.76 : x
  2. Step 2: Convert to fraction form
    201,015.51/277,405.25 = 110,380.76/x
  3. Step 3: Cross multiply
    201,015.51x = 277,405.25 × 110,380.76
  4. Step 4: Simplify right side
    201,015.51x = 30,620,200,384.06
  5. Step 5: Solve for x
    x = 30,620,200,384.06/201,015.51
  6. Step 6: Final answer
    x = 152,327.55

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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.