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Finding the Fourth Proportional to 75,101.64, 103,633.24 and 44,880.96

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Solution

The fourth proportional to 75,101.64, 103,633.24 and 44,880.96 is: 61,931.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,101.64 : 103,633.24 = 44,880.96 : x
  2. Step 2: Convert to fraction form
    75,101.64/103,633.24 = 44,880.96/x
  3. Step 3: Cross multiply
    75,101.64x = 103,633.24 × 44,880.96
  4. Step 4: Simplify right side
    75,101.64x = 4,651,159,299.11
  5. Step 5: Solve for x
    x = 4,651,159,299.11/75,101.64
  6. Step 6: Final answer
    x = 61,931.53

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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.