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Finding the Fourth Proportional to 201,611.70, 302,581.58 and 195,050.70

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Solution

The fourth proportional to 201,611.70, 302,581.58 and 195,050.70 is: 292,734.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,611.70 : 302,581.58 = 195,050.70 : x
  2. Step 2: Convert to fraction form
    201,611.70/302,581.58 = 195,050.70/x
  3. Step 3: Cross multiply
    201,611.70x = 302,581.58 × 195,050.70
  4. Step 4: Simplify right side
    201,611.70x = 59,018,748,010.85
  5. Step 5: Solve for x
    x = 59,018,748,010.85/201,611.70
  6. Step 6: Final answer
    x = 292,734.74

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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.