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Finding the Fourth Proportional to 78,525.95, 108,341.82 and 44,532.68

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Solution

The fourth proportional to 78,525.95, 108,341.82 and 44,532.68 is: 61,441.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,525.95 : 108,341.82 = 44,532.68 : x
  2. Step 2: Convert to fraction form
    78,525.95/108,341.82 = 44,532.68/x
  3. Step 3: Cross multiply
    78,525.95x = 108,341.82 × 44,532.68
  4. Step 4: Simplify right side
    78,525.95x = 4,824,751,058.97
  5. Step 5: Solve for x
    x = 4,824,751,058.97/78,525.95
  6. Step 6: Final answer
    x = 61,441.49

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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.