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Finding the Fourth Proportional to 201,393.81, 302,090.74 and 95,892.93

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Solution

The fourth proportional to 201,393.81, 302,090.74 and 95,892.93 is: 143,839.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,393.81 : 302,090.74 = 95,892.93 : x
  2. Step 2: Convert to fraction form
    201,393.81/302,090.74 = 95,892.93/x
  3. Step 3: Cross multiply
    201,393.81x = 302,090.74 × 95,892.93
  4. Step 4: Simplify right side
    201,393.81x = 28,968,365,944.74
  5. Step 5: Solve for x
    x = 28,968,365,944.74/201,393.81
  6. Step 6: Final answer
    x = 143,839.41

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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.