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Finding the Fourth Proportional to 440,442.99, 660,664.25 and 124,902.51

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Solution

The fourth proportional to 440,442.99, 660,664.25 and 124,902.51 is: 187,353.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,442.99 : 660,664.25 = 124,902.51 : x
  2. Step 2: Convert to fraction form
    440,442.99/660,664.25 = 124,902.51/x
  3. Step 3: Cross multiply
    440,442.99x = 660,664.25 × 124,902.51
  4. Step 4: Simplify right side
    440,442.99x = 82,518,622,467.76
  5. Step 5: Solve for x
    x = 82,518,622,467.76/440,442.99
  6. Step 6: Final answer
    x = 187,353.70

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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.