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Finding the Fourth Proportional to 255,673.61, 352,841.60 and 142,497.17

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Solution

The fourth proportional to 255,673.61, 352,841.60 and 142,497.17 is: 196,652.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,673.61 : 352,841.60 = 142,497.17 : x
  2. Step 2: Convert to fraction form
    255,673.61/352,841.60 = 142,497.17/x
  3. Step 3: Cross multiply
    255,673.61x = 352,841.60 × 142,497.17
  4. Step 4: Simplify right side
    255,673.61x = 50,278,929,458.27
  5. Step 5: Solve for x
    x = 50,278,929,458.27/255,673.61
  6. Step 6: Final answer
    x = 196,652.79

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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.