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Finding the Fourth Proportional to 370,817.63, 555,896.57 and 134,107.68

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Solution

The fourth proportional to 370,817.63, 555,896.57 and 134,107.68 is: 201,042.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,817.63 : 555,896.57 = 134,107.68 : x
  2. Step 2: Convert to fraction form
    370,817.63/555,896.57 = 134,107.68/x
  3. Step 3: Cross multiply
    370,817.63x = 555,896.57 × 134,107.68
  4. Step 4: Simplify right side
    370,817.63x = 74,549,998,652.12
  5. Step 5: Solve for x
    x = 74,549,998,652.12/370,817.63
  6. Step 6: Final answer
    x = 201,042.22

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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.