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Finding the Fourth Proportional to 141,419.99, 212,084.93 and 46,632.51

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Solution

The fourth proportional to 141,419.99, 212,084.93 and 46,632.51 is: 69,933.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,419.99 : 212,084.93 = 46,632.51 : x
  2. Step 2: Convert to fraction form
    141,419.99/212,084.93 = 46,632.51/x
  3. Step 3: Cross multiply
    141,419.99x = 212,084.93 × 46,632.51
  4. Step 4: Simplify right side
    141,419.99x = 9,890,052,735.66
  5. Step 5: Solve for x
    x = 9,890,052,735.66/141,419.99
  6. Step 6: Final answer
    x = 69,933.91

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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.