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Finding the Fourth Proportional to 237,309.26, 355,907.79 and 87,468.17

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Solution

The fourth proportional to 237,309.26, 355,907.79 and 87,468.17 is: 131,181.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,309.26 : 355,907.79 = 87,468.17 : x
  2. Step 2: Convert to fraction form
    237,309.26/355,907.79 = 87,468.17/x
  3. Step 3: Cross multiply
    237,309.26x = 355,907.79 × 87,468.17
  4. Step 4: Simplify right side
    237,309.26x = 31,130,601,300.51
  5. Step 5: Solve for x
    x = 31,130,601,300.51/237,309.26
  6. Step 6: Final answer
    x = 131,181.57

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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.