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Finding the Fourth Proportional to 236,051.40, 325,752.40 and 140,562.12

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Solution

The fourth proportional to 236,051.40, 325,752.40 and 140,562.12 is: 193,976.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,051.40 : 325,752.40 = 140,562.12 : x
  2. Step 2: Convert to fraction form
    236,051.40/325,752.40 = 140,562.12/x
  3. Step 3: Cross multiply
    236,051.40x = 325,752.40 × 140,562.12
  4. Step 4: Simplify right side
    236,051.40x = 45,788,447,939.09
  5. Step 5: Solve for x
    x = 45,788,447,939.09/236,051.40
  6. Step 6: Final answer
    x = 193,976.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.