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Finding the Fourth Proportional to 292,212.42, 437,986.74 and 123,627.54

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Solution

The fourth proportional to 292,212.42, 437,986.74 and 123,627.54 is: 185,300.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,212.42 : 437,986.74 = 123,627.54 : x
  2. Step 2: Convert to fraction form
    292,212.42/437,986.74 = 123,627.54/x
  3. Step 3: Cross multiply
    292,212.42x = 437,986.74 × 123,627.54
  4. Step 4: Simplify right side
    292,212.42x = 54,147,223,218.82
  5. Step 5: Solve for x
    x = 54,147,223,218.82/292,212.42
  6. Step 6: Final answer
    x = 185,300.90

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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.