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Finding the Fourth Proportional to 201,369.80, 302,054.70 and 135,014.60

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Solution

The fourth proportional to 201,369.80, 302,054.70 and 135,014.60 is: 202,521.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,369.80 : 302,054.70 = 135,014.60 : x
  2. Step 2: Convert to fraction form
    201,369.80/302,054.70 = 135,014.60/x
  3. Step 3: Cross multiply
    201,369.80x = 302,054.70 × 135,014.60
  4. Step 4: Simplify right side
    201,369.80x = 40,781,794,498.62
  5. Step 5: Solve for x
    x = 40,781,794,498.62/201,369.80
  6. Step 6: Final answer
    x = 202,521.90

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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.