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Finding the Fourth Proportional to 155,894.63, 233,737.25 and 80,039.14

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Solution

The fourth proportional to 155,894.63, 233,737.25 and 80,039.14 is: 120,004.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,894.63 : 233,737.25 = 80,039.14 : x
  2. Step 2: Convert to fraction form
    155,894.63/233,737.25 = 80,039.14/x
  3. Step 3: Cross multiply
    155,894.63x = 233,737.25 × 80,039.14
  4. Step 4: Simplify right side
    155,894.63x = 18,708,127,491.43
  5. Step 5: Solve for x
    x = 18,708,127,491.43/155,894.63
  6. Step 6: Final answer
    x = 120,004.96

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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.