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Finding the Fourth Proportional to 201,150.02, 301,725 and 51,390.62

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Solution

The fourth proportional to 201,150.02, 301,725 and 51,390.62 is: 77,085.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,150.02 : 301,725 = 51,390.62 : x
  2. Step 2: Convert to fraction form
    201,150.02/301,725 = 51,390.62/x
  3. Step 3: Cross multiply
    201,150.02x = 301,725 × 51,390.62
  4. Step 4: Simplify right side
    201,150.02x = 15,505,834,819.50
  5. Step 5: Solve for x
    x = 15,505,834,819.50/201,150.02
  6. Step 6: Final answer
    x = 77,085.92

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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.