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Finding the Fourth Proportional to 255,601.59, 352,731.14 and 142,424.34

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Solution

The fourth proportional to 255,601.59, 352,731.14 and 142,424.34 is: 196,546.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,601.59 : 352,731.14 = 142,424.34 : x
  2. Step 2: Convert to fraction form
    255,601.59/352,731.14 = 142,424.34/x
  3. Step 3: Cross multiply
    255,601.59x = 352,731.14 × 142,424.34
  4. Step 4: Simplify right side
    255,601.59x = 50,237,499,811.95
  5. Step 5: Solve for x
    x = 50,237,499,811.95/255,601.59
  6. Step 6: Final answer
    x = 196,546.12

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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.