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Finding the Fourth Proportional to 264,636.90, 397,742.67 and 124,493.94

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Solution

The fourth proportional to 264,636.90, 397,742.67 and 124,493.94 is: 187,111.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,636.90 : 397,742.67 = 124,493.94 : x
  2. Step 2: Convert to fraction form
    264,636.90/397,742.67 = 124,493.94/x
  3. Step 3: Cross multiply
    264,636.90x = 397,742.67 × 124,493.94
  4. Step 4: Simplify right side
    264,636.90x = 49,516,552,094.42
  5. Step 5: Solve for x
    x = 49,516,552,094.42/264,636.90
  6. Step 6: Final answer
    x = 187,111.29

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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.