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Finding the Fourth Proportional to 140,043.96, 210,100.50 and 46,550.52

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Solution

The fourth proportional to 140,043.96, 210,100.50 and 46,550.52 is: 69,837.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,043.96 : 210,100.50 = 46,550.52 : x
  2. Step 2: Convert to fraction form
    140,043.96/210,100.50 = 46,550.52/x
  3. Step 3: Cross multiply
    140,043.96x = 210,100.50 × 46,550.52
  4. Step 4: Simplify right side
    140,043.96x = 9,780,287,527.26
  5. Step 5: Solve for x
    x = 9,780,287,527.26/140,043.96
  6. Step 6: Final answer
    x = 69,837.27

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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.