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Finding the Fourth Proportional to 136,627.98, 204,941.02 and 105,094.19

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Solution

The fourth proportional to 136,627.98, 204,941.02 and 105,094.19 is: 157,640.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,627.98 : 204,941.02 = 105,094.19 : x
  2. Step 2: Convert to fraction form
    136,627.98/204,941.02 = 105,094.19/x
  3. Step 3: Cross multiply
    136,627.98x = 204,941.02 × 105,094.19
  4. Step 4: Simplify right side
    136,627.98x = 21,538,110,494.67
  5. Step 5: Solve for x
    x = 21,538,110,494.67/136,627.98
  6. Step 6: Final answer
    x = 157,640.55

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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.