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Finding the Fourth Proportional to 273,981.08, 410,970.60 and 74,300.96

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Solution

The fourth proportional to 273,981.08, 410,970.60 and 74,300.96 is: 111,451.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,981.08 : 410,970.60 = 74,300.96 : x
  2. Step 2: Convert to fraction form
    273,981.08/410,970.60 = 74,300.96/x
  3. Step 3: Cross multiply
    273,981.08x = 410,970.60 × 74,300.96
  4. Step 4: Simplify right side
    273,981.08x = 30,535,510,111.78
  5. Step 5: Solve for x
    x = 30,535,510,111.78/273,981.08
  6. Step 6: Final answer
    x = 111,451.16

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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.