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Finding the Fourth Proportional to 74,662.53, 111,730.65 and 46,595.77

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Solution

The fourth proportional to 74,662.53, 111,730.65 and 46,595.77 is: 69,729.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,662.53 : 111,730.65 = 46,595.77 : x
  2. Step 2: Convert to fraction form
    74,662.53/111,730.65 = 46,595.77/x
  3. Step 3: Cross multiply
    74,662.53x = 111,730.65 × 46,595.77
  4. Step 4: Simplify right side
    74,662.53x = 5,206,175,669.35
  5. Step 5: Solve for x
    x = 5,206,175,669.35/74,662.53
  6. Step 6: Final answer
    x = 69,729.43

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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.