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Finding the Fourth Proportional to 237,951, 356,888.21 and 69,431.76

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Solution

The fourth proportional to 237,951, 356,888.21 and 69,431.76 is: 104,136.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,951 : 356,888.21 = 69,431.76 : x
  2. Step 2: Convert to fraction form
    237,951/356,888.21 = 69,431.76/x
  3. Step 3: Cross multiply
    237,951x = 356,888.21 × 69,431.76
  4. Step 4: Simplify right side
    237,951x = 24,779,376,196.39
  5. Step 5: Solve for x
    x = 24,779,376,196.39/237,951
  6. Step 6: Final answer
    x = 104,136.47

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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.