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Finding the Fourth Proportional to 184,430.88, 254,512.12 and 103,859.40

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Solution

The fourth proportional to 184,430.88, 254,512.12 and 103,859.40 is: 143,324.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,430.88 : 254,512.12 = 103,859.40 : x
  2. Step 2: Convert to fraction form
    184,430.88/254,512.12 = 103,859.40/x
  3. Step 3: Cross multiply
    184,430.88x = 254,512.12 × 103,859.40
  4. Step 4: Simplify right side
    184,430.88x = 26,433,476,075.93
  5. Step 5: Solve for x
    x = 26,433,476,075.93/184,430.88
  6. Step 6: Final answer
    x = 143,324.57

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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.