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Finding the Fourth Proportional to 70,677.60, 97,496.15 and 44,788.78

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Solution

The fourth proportional to 70,677.60, 97,496.15 and 44,788.78 is: 61,783.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,677.60 : 97,496.15 = 44,788.78 : x
  2. Step 2: Convert to fraction form
    70,677.60/97,496.15 = 44,788.78/x
  3. Step 3: Cross multiply
    70,677.60x = 97,496.15 × 44,788.78
  4. Step 4: Simplify right side
    70,677.60x = 4,366,733,613.20
  5. Step 5: Solve for x
    x = 4,366,733,613.20/70,677.60
  6. Step 6: Final answer
    x = 61,783.84

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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.