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Finding the Fourth Proportional to 226,492.40, 339,665.81 and 100,129.77

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Solution

The fourth proportional to 226,492.40, 339,665.81 and 100,129.77 is: 150,162.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,492.40 : 339,665.81 = 100,129.77 : x
  2. Step 2: Convert to fraction form
    226,492.40/339,665.81 = 100,129.77/x
  3. Step 3: Cross multiply
    226,492.40x = 339,665.81 × 100,129.77
  4. Step 4: Simplify right side
    226,492.40x = 34,010,658,931.51
  5. Step 5: Solve for x
    x = 34,010,658,931.51/226,492.40
  6. Step 6: Final answer
    x = 150,162.47

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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.