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Finding the Fourth Proportional to 201,718.04, 302,620.40 and 100,571.16

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Solution

The fourth proportional to 201,718.04, 302,620.40 and 100,571.16 is: 150,878.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,718.04 : 302,620.40 = 100,571.16 : x
  2. Step 2: Convert to fraction form
    201,718.04/302,620.40 = 100,571.16/x
  3. Step 3: Cross multiply
    201,718.04x = 302,620.40 × 100,571.16
  4. Step 4: Simplify right side
    201,718.04x = 30,434,884,667.66
  5. Step 5: Solve for x
    x = 30,434,884,667.66/201,718.04
  6. Step 6: Final answer
    x = 150,878.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.