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Finding the Fourth Proportional to 174,422.31, 240,704.43 and 98,964.87

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Solution

The fourth proportional to 174,422.31, 240,704.43 and 98,964.87 is: 136,572.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,422.31 : 240,704.43 = 98,964.87 : x
  2. Step 2: Convert to fraction form
    174,422.31/240,704.43 = 98,964.87/x
  3. Step 3: Cross multiply
    174,422.31x = 240,704.43 × 98,964.87
  4. Step 4: Simplify right side
    174,422.31x = 23,821,282,623.37
  5. Step 5: Solve for x
    x = 23,821,282,623.37/174,422.31
  6. Step 6: Final answer
    x = 136,572.45

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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.