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Finding the Fourth Proportional to 237,129.31, 355,816.68 and 104,103.01

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Solution

The fourth proportional to 237,129.31, 355,816.68 and 104,103.01 is: 156,208.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,129.31 : 355,816.68 = 104,103.01 : x
  2. Step 2: Convert to fraction form
    237,129.31/355,816.68 = 104,103.01/x
  3. Step 3: Cross multiply
    237,129.31x = 355,816.68 × 104,103.01
  4. Step 4: Simplify right side
    237,129.31x = 37,041,587,396.21
  5. Step 5: Solve for x
    x = 37,041,587,396.21/237,129.31
  6. Step 6: Final answer
    x = 156,208.39

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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.