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Finding the Fourth Proportional to 273,876.15, 410,968.95 and 147,513.72

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Solution

The fourth proportional to 273,876.15, 410,968.95 and 147,513.72 is: 221,353.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,876.15 : 410,968.95 = 147,513.72 : x
  2. Step 2: Convert to fraction form
    273,876.15/410,968.95 = 147,513.72/x
  3. Step 3: Cross multiply
    273,876.15x = 410,968.95 × 147,513.72
  4. Step 4: Simplify right side
    273,876.15x = 60,623,558,618.99
  5. Step 5: Solve for x
    x = 60,623,558,618.99/273,876.15
  6. Step 6: Final answer
    x = 221,353.92

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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.