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Finding the Fourth Proportional to 192,384.51, 265,489.78 and 107,501.56

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Solution

The fourth proportional to 192,384.51, 265,489.78 and 107,501.56 is: 148,351.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,384.51 : 265,489.78 = 107,501.56 : x
  2. Step 2: Convert to fraction form
    192,384.51/265,489.78 = 107,501.56/x
  3. Step 3: Cross multiply
    192,384.51x = 265,489.78 × 107,501.56
  4. Step 4: Simplify right side
    192,384.51x = 28,540,565,514.06
  5. Step 5: Solve for x
    x = 28,540,565,514.06/192,384.51
  6. Step 6: Final answer
    x = 148,351.68

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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.