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Finding the Fourth Proportional to 73,267.74, 109,969.65 and 28,925.10

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Solution

The fourth proportional to 73,267.74, 109,969.65 and 28,925.10 is: 43,414.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,267.74 : 109,969.65 = 28,925.10 : x
  2. Step 2: Convert to fraction form
    73,267.74/109,969.65 = 28,925.10/x
  3. Step 3: Cross multiply
    73,267.74x = 109,969.65 × 28,925.10
  4. Step 4: Simplify right side
    73,267.74x = 3,180,883,123.22
  5. Step 5: Solve for x
    x = 3,180,883,123.22/73,267.74
  6. Step 6: Final answer
    x = 43,414.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.