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Finding the Fourth Proportional to 201,104.70, 301,635.45 and 53,360.70

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Solution

The fourth proportional to 201,104.70, 301,635.45 and 53,360.70 is: 80,035.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,104.70 : 301,635.45 = 53,360.70 : x
  2. Step 2: Convert to fraction form
    201,104.70/301,635.45 = 53,360.70/x
  3. Step 3: Cross multiply
    201,104.70x = 301,635.45 × 53,360.70
  4. Step 4: Simplify right side
    201,104.70x = 16,095,478,756.82
  5. Step 5: Solve for x
    x = 16,095,478,756.82/201,104.70
  6. Step 6: Final answer
    x = 80,035.32

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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.