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Finding the Fourth Proportional to 201,064.70, 301,575.45 and 53,320.70

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Solution

The fourth proportional to 201,064.70, 301,575.45 and 53,320.70 is: 79,975.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,064.70 : 301,575.45 = 53,320.70 : x
  2. Step 2: Convert to fraction form
    201,064.70/301,575.45 = 53,320.70/x
  3. Step 3: Cross multiply
    201,064.70x = 301,575.45 × 53,320.70
  4. Step 4: Simplify right side
    201,064.70x = 16,080,214,096.82
  5. Step 5: Solve for x
    x = 16,080,214,096.82/201,064.70
  6. Step 6: Final answer
    x = 79,975.32

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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.