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Finding the Fourth Proportional to 286,397.50, 395,228.58 and 159,084.94

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Solution

The fourth proportional to 286,397.50, 395,228.58 and 159,084.94 is: 219,537.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,397.50 : 395,228.58 = 159,084.94 : x
  2. Step 2: Convert to fraction form
    286,397.50/395,228.58 = 159,084.94/x
  3. Step 3: Cross multiply
    286,397.50x = 395,228.58 × 159,084.94
  4. Step 4: Simplify right side
    286,397.50x = 62,874,914,935.59
  5. Step 5: Solve for x
    x = 62,874,914,935.59/286,397.50
  6. Step 6: Final answer
    x = 219,537.23

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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.