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Finding the Fourth Proportional to 71,322.60, 98,400.96 and 41,106.96

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Solution

The fourth proportional to 71,322.60, 98,400.96 and 41,106.96 is: 56,713.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,322.60 : 98,400.96 = 41,106.96 : x
  2. Step 2: Convert to fraction form
    71,322.60/98,400.96 = 41,106.96/x
  3. Step 3: Cross multiply
    71,322.60x = 98,400.96 × 41,106.96
  4. Step 4: Simplify right side
    71,322.60x = 4,044,964,326.68
  5. Step 5: Solve for x
    x = 4,044,964,326.68/71,322.60
  6. Step 6: Final answer
    x = 56,713.64

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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.