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Finding the Fourth Proportional to 178,407.63, 246,202.36 and 96,738.57

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Solution

The fourth proportional to 178,407.63, 246,202.36 and 96,738.57 is: 133,499.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,407.63 : 246,202.36 = 96,738.57 : x
  2. Step 2: Convert to fraction form
    178,407.63/246,202.36 = 96,738.57/x
  3. Step 3: Cross multiply
    178,407.63x = 246,202.36 × 96,738.57
  4. Step 4: Simplify right side
    178,407.63x = 23,817,263,995.18
  5. Step 5: Solve for x
    x = 23,817,263,995.18/178,407.63
  6. Step 6: Final answer
    x = 133,499.13

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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.