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Finding the Fourth Proportional to 243,448.54, 335,971.77 and 146,682.79

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Solution

The fourth proportional to 243,448.54, 335,971.77 and 146,682.79 is: 202,429.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,448.54 : 335,971.77 = 146,682.79 : x
  2. Step 2: Convert to fraction form
    243,448.54/335,971.77 = 146,682.79/x
  3. Step 3: Cross multiply
    243,448.54x = 335,971.77 × 146,682.79
  4. Step 4: Simplify right side
    243,448.54x = 49,281,274,904.98
  5. Step 5: Solve for x
    x = 49,281,274,904.98/243,448.54
  6. Step 6: Final answer
    x = 202,429.95

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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.