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Finding the Fourth Proportional to 243,053.06, 335,483.63 and 141,101.42

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Solution

The fourth proportional to 243,053.06, 335,483.63 and 141,101.42 is: 194,760.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,053.06 : 335,483.63 = 141,101.42 : x
  2. Step 2: Convert to fraction form
    243,053.06/335,483.63 = 141,101.42/x
  3. Step 3: Cross multiply
    243,053.06x = 335,483.63 × 141,101.42
  4. Step 4: Simplify right side
    243,053.06x = 47,337,216,579.75
  5. Step 5: Solve for x
    x = 47,337,216,579.75/243,053.06
  6. Step 6: Final answer
    x = 194,760.83

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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.