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Finding the Fourth Proportional to 303,682.12, 455,476.42 and 101,281.75

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Solution

The fourth proportional to 303,682.12, 455,476.42 and 101,281.75 is: 151,907.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,682.12 : 455,476.42 = 101,281.75 : x
  2. Step 2: Convert to fraction form
    303,682.12/455,476.42 = 101,281.75/x
  3. Step 3: Cross multiply
    303,682.12x = 455,476.42 × 101,281.75
  4. Step 4: Simplify right side
    303,682.12x = 46,131,448,901.34
  5. Step 5: Solve for x
    x = 46,131,448,901.34/303,682.12
  6. Step 6: Final answer
    x = 151,907.03

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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.