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Finding the Fourth Proportional to 248,696.56, 372,767.81 and 98,896.78

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Solution

The fourth proportional to 248,696.56, 372,767.81 and 98,896.78 is: 148,235.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,696.56 : 372,767.81 = 98,896.78 : x
  2. Step 2: Convert to fraction form
    248,696.56/372,767.81 = 98,896.78/x
  3. Step 3: Cross multiply
    248,696.56x = 372,767.81 × 98,896.78
  4. Step 4: Simplify right side
    248,696.56x = 36,865,534,232.81
  5. Step 5: Solve for x
    x = 36,865,534,232.81/248,696.56
  6. Step 6: Final answer
    x = 148,235.00

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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.