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Finding the Fourth Proportional to 275,543.93, 412,930.94 and 148,911.17

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Solution

The fourth proportional to 275,543.93, 412,930.94 and 148,911.17 is: 223,158.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,543.93 : 412,930.94 = 148,911.17 : x
  2. Step 2: Convert to fraction form
    275,543.93/412,930.94 = 148,911.17/x
  3. Step 3: Cross multiply
    275,543.93x = 412,930.94 × 148,911.17
  4. Step 4: Simplify right side
    275,543.93x = 61,490,026,595.39
  5. Step 5: Solve for x
    x = 61,490,026,595.39/275,543.93
  6. Step 6: Final answer
    x = 223,158.71

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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.