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Finding the Fourth Proportional to 104,373.94, 144,036.36 and 56,627.68

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Solution

The fourth proportional to 104,373.94, 144,036.36 and 56,627.68 is: 78,146.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,373.94 : 144,036.36 = 56,627.68 : x
  2. Step 2: Convert to fraction form
    104,373.94/144,036.36 = 56,627.68/x
  3. Step 3: Cross multiply
    104,373.94x = 144,036.36 × 56,627.68
  4. Step 4: Simplify right side
    104,373.94x = 8,156,444,902.44
  5. Step 5: Solve for x
    x = 8,156,444,902.44/104,373.94
  6. Step 6: Final answer
    x = 78,146.37

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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.