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Finding the Fourth Proportional to 70,676.60, 97,494.77 and 44,787.78

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Solution

The fourth proportional to 70,676.60, 97,494.77 and 44,787.78 is: 61,782.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,676.60 : 97,494.77 = 44,787.78 : x
  2. Step 2: Convert to fraction form
    70,676.60/97,494.77 = 44,787.78/x
  3. Step 3: Cross multiply
    70,676.60x = 97,494.77 × 44,787.78
  4. Step 4: Simplify right side
    70,676.60x = 4,366,574,421.88
  5. Step 5: Solve for x
    x = 4,366,574,421.88/70,676.60
  6. Step 6: Final answer
    x = 61,782.47

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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.