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Finding the Fourth Proportional to 70,148.68, 96,837.05 and 44,689.96

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Solution

The fourth proportional to 70,148.68, 96,837.05 and 44,689.96 is: 61,692.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,148.68 : 96,837.05 = 44,689.96 : x
  2. Step 2: Convert to fraction form
    70,148.68/96,837.05 = 44,689.96/x
  3. Step 3: Cross multiply
    70,148.68x = 96,837.05 × 44,689.96
  4. Step 4: Simplify right side
    70,148.68x = 4,327,644,123.79
  5. Step 5: Solve for x
    x = 4,327,644,123.79/70,148.68
  6. Step 6: Final answer
    x = 61,692.45

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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.