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Finding the Fourth Proportional to 139,563, 209,344.50 and 46,076.04

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Solution

The fourth proportional to 139,563, 209,344.50 and 46,076.04 is: 69,114.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,563 : 209,344.50 = 46,076.04 : x
  2. Step 2: Convert to fraction form
    139,563/209,344.50 = 46,076.04/x
  3. Step 3: Cross multiply
    139,563x = 209,344.50 × 46,076.04
  4. Step 4: Simplify right side
    139,563x = 9,645,765,555.78
  5. Step 5: Solve for x
    x = 9,645,765,555.78/139,563
  6. Step 6: Final answer
    x = 69,114.06

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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.