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Finding the Fourth Proportional to 259,366.57, 358,221.11 and 174,336.01

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Solution

The fourth proportional to 259,366.57, 358,221.11 and 174,336.01 is: 240,782.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,366.57 : 358,221.11 = 174,336.01 : x
  2. Step 2: Convert to fraction form
    259,366.57/358,221.11 = 174,336.01/x
  3. Step 3: Cross multiply
    259,366.57x = 358,221.11 × 174,336.01
  4. Step 4: Simplify right side
    259,366.57x = 62,450,839,015.17
  5. Step 5: Solve for x
    x = 62,450,839,015.17/259,366.57
  6. Step 6: Final answer
    x = 240,782.14

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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.