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Finding the Fourth Proportional to 255,393.12, 352,346.58 and 147,923.94

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Solution

The fourth proportional to 255,393.12, 352,346.58 and 147,923.94 is: 204,079.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,393.12 : 352,346.58 = 147,923.94 : x
  2. Step 2: Convert to fraction form
    255,393.12/352,346.58 = 147,923.94/x
  3. Step 3: Cross multiply
    255,393.12x = 352,346.58 × 147,923.94
  4. Step 4: Simplify right side
    255,393.12x = 52,120,494,359.13
  5. Step 5: Solve for x
    x = 52,120,494,359.13/255,393.12
  6. Step 6: Final answer
    x = 204,079.48

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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.