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Finding the Fourth Proportional to 243,043.34, 335,346.06 and 141,009.68

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Solution

The fourth proportional to 243,043.34, 335,346.06 and 141,009.68 is: 194,562.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,043.34 : 335,346.06 = 141,009.68 : x
  2. Step 2: Convert to fraction form
    243,043.34/335,346.06 = 141,009.68/x
  3. Step 3: Cross multiply
    243,043.34x = 335,346.06 × 141,009.68
  4. Step 4: Simplify right side
    243,043.34x = 47,287,040,609.86
  5. Step 5: Solve for x
    x = 47,287,040,609.86/243,043.34
  6. Step 6: Final answer
    x = 194,562.17

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1.5x scale

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.