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Finding the Fourth Proportional to 255,295.26, 352,293.66 and 140,551.56

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Solution

The fourth proportional to 255,295.26, 352,293.66 and 140,551.56 is: 193,953.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,295.26 : 352,293.66 = 140,551.56 : x
  2. Step 2: Convert to fraction form
    255,295.26/352,293.66 = 140,551.56/x
  3. Step 3: Cross multiply
    255,295.26x = 352,293.66 × 140,551.56
  4. Step 4: Simplify right side
    255,295.26x = 49,515,423,491.11
  5. Step 5: Solve for x
    x = 49,515,423,491.11/255,295.26
  6. Step 6: Final answer
    x = 193,953.56

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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.