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Finding the Fourth Proportional to 201,886.60, 302,829.90 and 186,680.20

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Solution

The fourth proportional to 201,886.60, 302,829.90 and 186,680.20 is: 280,020.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,886.60 : 302,829.90 = 186,680.20 : x
  2. Step 2: Convert to fraction form
    201,886.60/302,829.90 = 186,680.20/x
  3. Step 3: Cross multiply
    201,886.60x = 302,829.90 × 186,680.20
  4. Step 4: Simplify right side
    201,886.60x = 56,532,346,297.98
  5. Step 5: Solve for x
    x = 56,532,346,297.98/201,886.60
  6. Step 6: Final answer
    x = 280,020.30

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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.