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Finding the Fourth Proportional to 73,700.64, 101,675.36 and 48,162.68

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Solution

The fourth proportional to 73,700.64, 101,675.36 and 48,162.68 is: 66,443.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,700.64 : 101,675.36 = 48,162.68 : x
  2. Step 2: Convert to fraction form
    73,700.64/101,675.36 = 48,162.68/x
  3. Step 3: Cross multiply
    73,700.64x = 101,675.36 × 48,162.68
  4. Step 4: Simplify right side
    73,700.64x = 4,896,957,820.88
  5. Step 5: Solve for x
    x = 4,896,957,820.88/73,700.64
  6. Step 6: Final answer
    x = 66,443.90

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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.