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Finding the Fourth Proportional to 170,458.11, 255,687.03 and 45,799.11

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Solution

The fourth proportional to 170,458.11, 255,687.03 and 45,799.11 is: 68,698.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,458.11 : 255,687.03 = 45,799.11 : x
  2. Step 2: Convert to fraction form
    170,458.11/255,687.03 = 45,799.11/x
  3. Step 3: Cross multiply
    170,458.11x = 255,687.03 × 45,799.11
  4. Step 4: Simplify right side
    170,458.11x = 11,710,238,412.54
  5. Step 5: Solve for x
    x = 11,710,238,412.54/170,458.11
  6. Step 6: Final answer
    x = 68,698.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.