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Finding the Fourth Proportional to 234,670.61, 351,496.15 and 144,438.29

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Solution

The fourth proportional to 234,670.61, 351,496.15 and 144,438.29 is: 216,343.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,670.61 : 351,496.15 = 144,438.29 : x
  2. Step 2: Convert to fraction form
    234,670.61/351,496.15 = 144,438.29/x
  3. Step 3: Cross multiply
    234,670.61x = 351,496.15 × 144,438.29
  4. Step 4: Simplify right side
    234,670.61x = 50,769,502,847.58
  5. Step 5: Solve for x
    x = 50,769,502,847.58/234,670.61
  6. Step 6: Final answer
    x = 216,343.68

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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.