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Finding the Fourth Proportional to 242,888.76, 335,176.96 and 140,908.96

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Solution

The fourth proportional to 242,888.76, 335,176.96 and 140,908.96 is: 194,448.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,888.76 : 335,176.96 = 140,908.96 : x
  2. Step 2: Convert to fraction form
    242,888.76/335,176.96 = 140,908.96/x
  3. Step 3: Cross multiply
    242,888.76x = 335,176.96 × 140,908.96
  4. Step 4: Simplify right side
    242,888.76x = 47,229,436,849.56
  5. Step 5: Solve for x
    x = 47,229,436,849.56/242,888.76
  6. Step 6: Final answer
    x = 194,448.84

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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.