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Finding the Fourth Proportional to 73,391.60, 101,322.42 and 48,314

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Solution

The fourth proportional to 73,391.60, 101,322.42 and 48,314 is: 66,700.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,391.60 : 101,322.42 = 48,314 : x
  2. Step 2: Convert to fraction form
    73,391.60/101,322.42 = 48,314/x
  3. Step 3: Cross multiply
    73,391.60x = 101,322.42 × 48,314
  4. Step 4: Simplify right side
    73,391.60x = 4,895,291,399.88
  5. Step 5: Solve for x
    x = 4,895,291,399.88/73,391.60
  6. Step 6: Final answer
    x = 66,700.98

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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.