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Finding the Fourth Proportional to 242,809.79, 335,081.67 and 133,926.63

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Solution

The fourth proportional to 242,809.79, 335,081.67 and 133,926.63 is: 184,821.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,809.79 : 335,081.67 = 133,926.63 : x
  2. Step 2: Convert to fraction form
    242,809.79/335,081.67 = 133,926.63/x
  3. Step 3: Cross multiply
    242,809.79x = 335,081.67 × 133,926.63
  4. Step 4: Simplify right side
    242,809.79x = 44,876,358,837.87
  5. Step 5: Solve for x
    x = 44,876,358,837.87/242,809.79
  6. Step 6: Final answer
    x = 184,821.04

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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.