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Finding the Fourth Proportional to 190,852.84, 287,619.73 and 171,901.27

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Solution

The fourth proportional to 190,852.84, 287,619.73 and 171,901.27 is: 259,059.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,852.84 : 287,619.73 = 171,901.27 : x
  2. Step 2: Convert to fraction form
    190,852.84/287,619.73 = 171,901.27/x
  3. Step 3: Cross multiply
    190,852.84x = 287,619.73 × 171,901.27
  4. Step 4: Simplify right side
    190,852.84x = 49,442,196,864.06
  5. Step 5: Solve for x
    x = 49,442,196,864.06/190,852.84
  6. Step 6: Final answer
    x = 259,059.27

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.