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Finding the Fourth Proportional to 295,142.97, 407,246.45 and 166,063.53

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Solution

The fourth proportional to 295,142.97, 407,246.45 and 166,063.53 is: 229,139.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,142.97 : 407,246.45 = 166,063.53 : x
  2. Step 2: Convert to fraction form
    295,142.97/407,246.45 = 166,063.53/x
  3. Step 3: Cross multiply
    295,142.97x = 407,246.45 × 166,063.53
  4. Step 4: Simplify right side
    295,142.97x = 67,628,782,236.65
  5. Step 5: Solve for x
    x = 67,628,782,236.65/295,142.97
  6. Step 6: Final answer
    x = 229,139.06

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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.