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Finding the Fourth Proportional to 265,995.57, 367,128.51 and 162,647.43

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Solution

The fourth proportional to 265,995.57, 367,128.51 and 162,647.43 is: 224,486.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,995.57 : 367,128.51 = 162,647.43 : x
  2. Step 2: Convert to fraction form
    265,995.57/367,128.51 = 162,647.43/x
  3. Step 3: Cross multiply
    265,995.57x = 367,128.51 × 162,647.43
  4. Step 4: Simplify right side
    265,995.57x = 59,712,508,631.23
  5. Step 5: Solve for x
    x = 59,712,508,631.23/265,995.57
  6. Step 6: Final answer
    x = 224,486.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.