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Finding the Fourth Proportional to 141,420.99, 212,086.43 and 46,633.51

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Solution

The fourth proportional to 141,420.99, 212,086.43 and 46,633.51 is: 69,935.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,420.99 : 212,086.43 = 46,633.51 : x
  2. Step 2: Convert to fraction form
    141,420.99/212,086.43 = 46,633.51/x
  3. Step 3: Cross multiply
    141,420.99x = 212,086.43 × 46,633.51
  4. Step 4: Simplify right side
    141,420.99x = 9,890,334,654.27
  5. Step 5: Solve for x
    x = 9,890,334,654.27/141,420.99
  6. Step 6: Final answer
    x = 69,935.41

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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.