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Finding the Fourth Proportional to 242,842.86, 335,110.97 and 133,966.31

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Solution

The fourth proportional to 242,842.86, 335,110.97 and 133,966.31 is: 184,866.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,842.86 : 335,110.97 = 133,966.31 : x
  2. Step 2: Convert to fraction form
    242,842.86/335,110.97 = 133,966.31/x
  3. Step 3: Cross multiply
    242,842.86x = 335,110.97 × 133,966.31
  4. Step 4: Simplify right side
    242,842.86x = 44,893,578,750.78
  5. Step 5: Solve for x
    x = 44,893,578,750.78/242,842.86
  6. Step 6: Final answer
    x = 184,866.78

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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.