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Finding the Fourth Proportional to 78,622.94, 108,497.40 and 44,634.53

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Solution

The fourth proportional to 78,622.94, 108,497.40 and 44,634.53 is: 61,594.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,622.94 : 108,497.40 = 44,634.53 : x
  2. Step 2: Convert to fraction form
    78,622.94/108,497.40 = 44,634.53/x
  3. Step 3: Cross multiply
    78,622.94x = 108,497.40 × 44,634.53
  4. Step 4: Simplify right side
    78,622.94x = 4,842,730,455.22
  5. Step 5: Solve for x
    x = 4,842,730,455.22/78,622.94
  6. Step 6: Final answer
    x = 61,594.37

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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.