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Finding the Fourth Proportional to 190,404.63, 262,749.21 and 109,858.14

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Solution

The fourth proportional to 190,404.63, 262,749.21 and 109,858.14 is: 151,598.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,404.63 : 262,749.21 = 109,858.14 : x
  2. Step 2: Convert to fraction form
    190,404.63/262,749.21 = 109,858.14/x
  3. Step 3: Cross multiply
    190,404.63x = 262,749.21 × 109,858.14
  4. Step 4: Simplify right side
    190,404.63x = 28,865,139,497.07
  5. Step 5: Solve for x
    x = 28,865,139,497.07/190,404.63
  6. Step 6: Final answer
    x = 151,598.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.