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Finding the Fourth Proportional to 201,697.40, 302,546.10 and 83,453.60

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Solution

The fourth proportional to 201,697.40, 302,546.10 and 83,453.60 is: 125,180.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,697.40 : 302,546.10 = 83,453.60 : x
  2. Step 2: Convert to fraction form
    201,697.40/302,546.10 = 83,453.60/x
  3. Step 3: Cross multiply
    201,697.40x = 302,546.10 × 83,453.60
  4. Step 4: Simplify right side
    201,697.40x = 25,248,561,210.96
  5. Step 5: Solve for x
    x = 25,248,561,210.96/201,697.40
  6. Step 6: Final answer
    x = 125,180.40

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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.