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Finding the Fourth Proportional to 104,804.55, 144,622.13 and 57,056.94

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Solution

The fourth proportional to 104,804.55, 144,622.13 and 57,056.94 is: 78,734.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,804.55 : 144,622.13 = 57,056.94 : x
  2. Step 2: Convert to fraction form
    104,804.55/144,622.13 = 57,056.94/x
  3. Step 3: Cross multiply
    104,804.55x = 144,622.13 × 57,056.94
  4. Step 4: Simplify right side
    104,804.55x = 8,251,695,908.80
  5. Step 5: Solve for x
    x = 8,251,695,908.80/104,804.55
  6. Step 6: Final answer
    x = 78,734.14

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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.