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Finding the Fourth Proportional to 255,214.41, 352,195.89 and 142,063.89

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Solution

The fourth proportional to 255,214.41, 352,195.89 and 142,063.89 is: 196,048.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,214.41 : 352,195.89 = 142,063.89 : x
  2. Step 2: Convert to fraction form
    255,214.41/352,195.89 = 142,063.89/x
  3. Step 3: Cross multiply
    255,214.41x = 352,195.89 × 142,063.89
  4. Step 4: Simplify right side
    255,214.41x = 50,034,316,321.94
  5. Step 5: Solve for x
    x = 50,034,316,321.94/255,214.41
  6. Step 6: Final answer
    x = 196,048.17

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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.