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Finding the Fourth Proportional to 174,034.36, 240,182.58 and 98,578

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Solution

The fourth proportional to 174,034.36, 240,182.58 and 98,578 is: 136,046.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,034.36 : 240,182.58 = 98,578 : x
  2. Step 2: Convert to fraction form
    174,034.36/240,182.58 = 98,578/x
  3. Step 3: Cross multiply
    174,034.36x = 240,182.58 × 98,578
  4. Step 4: Simplify right side
    174,034.36x = 23,676,718,371.24
  5. Step 5: Solve for x
    x = 23,676,718,371.24/174,034.36
  6. Step 6: Final answer
    x = 136,046.23

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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.