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Finding the Fourth Proportional to 201,885.30, 302,718.60 and 83,568.60

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Solution

The fourth proportional to 201,885.30, 302,718.60 and 83,568.60 is: 125,307.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,885.30 : 302,718.60 = 83,568.60 : x
  2. Step 2: Convert to fraction form
    201,885.30/302,718.60 = 83,568.60/x
  3. Step 3: Cross multiply
    201,885.30x = 302,718.60 × 83,568.60
  4. Step 4: Simplify right side
    201,885.30x = 25,297,769,595.96
  5. Step 5: Solve for x
    x = 25,297,769,595.96/201,885.30
  6. Step 6: Final answer
    x = 125,307.64

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1.5x scale

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.