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Finding the Fourth Proportional to 255,323.81, 352,293.45 and 147,887.44

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Solution

The fourth proportional to 255,323.81, 352,293.45 and 147,887.44 is: 204,053.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,323.81 : 352,293.45 = 147,887.44 : x
  2. Step 2: Convert to fraction form
    255,323.81/352,293.45 = 147,887.44/x
  3. Step 3: Cross multiply
    255,323.81x = 352,293.45 × 147,887.44
  4. Step 4: Simplify right side
    255,323.81x = 52,099,776,449.27
  5. Step 5: Solve for x
    x = 52,099,776,449.27/255,323.81
  6. Step 6: Final answer
    x = 204,053.73

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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.