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Finding the Fourth Proportional to 201,907.15, 302,860.73 and 96,671.95

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Solution

The fourth proportional to 201,907.15, 302,860.73 and 96,671.95 is: 145,007.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,907.15 : 302,860.73 = 96,671.95 : x
  2. Step 2: Convert to fraction form
    201,907.15/302,860.73 = 96,671.95/x
  3. Step 3: Cross multiply
    201,907.15x = 302,860.73 × 96,671.95
  4. Step 4: Simplify right side
    201,907.15x = 29,278,137,347.52
  5. Step 5: Solve for x
    x = 29,278,137,347.52/201,907.15
  6. Step 6: Final answer
    x = 145,007.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.