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Finding the Fourth Proportional to 78,860.52, 108,820.98 and 44,859.96

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Solution

The fourth proportional to 78,860.52, 108,820.98 and 44,859.96 is: 61,903.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,860.52 : 108,820.98 = 44,859.96 : x
  2. Step 2: Convert to fraction form
    78,860.52/108,820.98 = 44,859.96/x
  3. Step 3: Cross multiply
    78,860.52x = 108,820.98 × 44,859.96
  4. Step 4: Simplify right side
    78,860.52x = 4,881,704,809.96
  5. Step 5: Solve for x
    x = 4,881,704,809.96/78,860.52
  6. Step 6: Final answer
    x = 61,903.03

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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.