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Finding the Fourth Proportional to 201,798.72, 302,697.90 and 95,157.81

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Solution

The fourth proportional to 201,798.72, 302,697.90 and 95,157.81 is: 142,736.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,798.72 : 302,697.90 = 95,157.81 : x
  2. Step 2: Convert to fraction form
    201,798.72/302,697.90 = 95,157.81/x
  3. Step 3: Cross multiply
    201,798.72x = 302,697.90 × 95,157.81
  4. Step 4: Simplify right side
    201,798.72x = 28,804,069,255.60
  5. Step 5: Solve for x
    x = 28,804,069,255.60/201,798.72
  6. Step 6: Final answer
    x = 142,736.63

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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.