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Finding the Fourth Proportional to 440,075.43, 660,107.88 and 140,552.01

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Solution

The fourth proportional to 440,075.43, 660,107.88 and 140,552.01 is: 210,826.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,075.43 : 660,107.88 = 140,552.01 : x
  2. Step 2: Convert to fraction form
    440,075.43/660,107.88 = 140,552.01/x
  3. Step 3: Cross multiply
    440,075.43x = 660,107.88 × 140,552.01
  4. Step 4: Simplify right side
    440,075.43x = 92,779,489,350.84
  5. Step 5: Solve for x
    x = 92,779,489,350.84/440,075.43
  6. Step 6: Final answer
    x = 210,826.33

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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.