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Finding the Fourth Proportional to 174,232.80, 240,446.64 and 98,784.48

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Solution

The fourth proportional to 174,232.80, 240,446.64 and 98,784.48 is: 136,325.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,232.80 : 240,446.64 = 98,784.48 : x
  2. Step 2: Convert to fraction form
    174,232.80/240,446.64 = 98,784.48/x
  3. Step 3: Cross multiply
    174,232.80x = 240,446.64 × 98,784.48
  4. Step 4: Simplify right side
    174,232.80x = 23,752,396,300.15
  5. Step 5: Solve for x
    x = 23,752,396,300.15/174,232.80
  6. Step 6: Final answer
    x = 136,325.63

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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.