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Finding the Fourth Proportional to 193,059.60, 265,923.72 and 136,372.56

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Solution

The fourth proportional to 193,059.60, 265,923.72 and 136,372.56 is: 187,841.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,059.60 : 265,923.72 = 136,372.56 : x
  2. Step 2: Convert to fraction form
    193,059.60/265,923.72 = 136,372.56/x
  3. Step 3: Cross multiply
    193,059.60x = 265,923.72 × 136,372.56
  4. Step 4: Simplify right side
    193,059.60x = 36,264,698,461.12
  5. Step 5: Solve for x
    x = 36,264,698,461.12/193,059.60
  6. Step 6: Final answer
    x = 187,841.98

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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.