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Finding the Fourth Proportional to 201,900.40, 302,486.10 and 117,591.55

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Solution

The fourth proportional to 201,900.40, 302,486.10 and 117,591.55 is: 176,175.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,900.40 : 302,486.10 = 117,591.55 : x
  2. Step 2: Convert to fraction form
    201,900.40/302,486.10 = 117,591.55/x
  3. Step 3: Cross multiply
    201,900.40x = 302,486.10 × 117,591.55
  4. Step 4: Simplify right side
    201,900.40x = 35,569,809,352.46
  5. Step 5: Solve for x
    x = 35,569,809,352.46/201,900.40
  6. Step 6: Final answer
    x = 176,175.03

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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.