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Finding the Fourth Proportional to 440,094.93, 660,137.13 and 140,571.51

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Solution

The fourth proportional to 440,094.93, 660,137.13 and 140,571.51 is: 210,855.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,094.93 : 660,137.13 = 140,571.51 : x
  2. Step 2: Convert to fraction form
    440,094.93/660,137.13 = 140,571.51/x
  3. Step 3: Cross multiply
    440,094.93x = 660,137.13 × 140,571.51
  4. Step 4: Simplify right side
    440,094.93x = 92,796,473,171.17
  5. Step 5: Solve for x
    x = 92,796,473,171.17/440,094.93
  6. Step 6: Final answer
    x = 210,855.58

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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.