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Finding the Fourth Proportional to 237,388.68, 355,968.14 and 87,699.48

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Solution

The fourth proportional to 237,388.68, 355,968.14 and 87,699.48 is: 131,506.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,388.68 : 355,968.14 = 87,699.48 : x
  2. Step 2: Convert to fraction form
    237,388.68/355,968.14 = 87,699.48/x
  3. Step 3: Cross multiply
    237,388.68x = 355,968.14 × 87,699.48
  4. Step 4: Simplify right side
    237,388.68x = 31,218,220,774.57
  5. Step 5: Solve for x
    x = 31,218,220,774.57/237,388.68
  6. Step 6: Final answer
    x = 131,506.78

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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.