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Finding the Fourth Proportional to 243,062.94, 335,373.30 and 141,029.28

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Solution

The fourth proportional to 243,062.94, 335,373.30 and 141,029.28 is: 194,589.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,062.94 : 335,373.30 = 141,029.28 : x
  2. Step 2: Convert to fraction form
    243,062.94/335,373.30 = 141,029.28/x
  3. Step 3: Cross multiply
    243,062.94x = 335,373.30 × 141,029.28
  4. Step 4: Simplify right side
    243,062.94x = 47,297,455,030.22
  5. Step 5: Solve for x
    x = 47,297,455,030.22/243,062.94
  6. Step 6: Final answer
    x = 194,589.33

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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.