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Finding the Fourth Proportional to 201,714.60, 302,571.90 and 53,970.60

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Solution

The fourth proportional to 201,714.60, 302,571.90 and 53,970.60 is: 80,955.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,714.60 : 302,571.90 = 53,970.60 : x
  2. Step 2: Convert to fraction form
    201,714.60/302,571.90 = 53,970.60/x
  3. Step 3: Cross multiply
    201,714.60x = 302,571.90 × 53,970.60
  4. Step 4: Simplify right side
    201,714.60x = 16,329,986,986.14
  5. Step 5: Solve for x
    x = 16,329,986,986.14/201,714.60
  6. Step 6: Final answer
    x = 80,955.90

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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.