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Finding the Fourth Proportional to 236,951.40, 354,908.70 and 143,293.80

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Solution

The fourth proportional to 236,951.40, 354,908.70 and 143,293.80 is: 214,627.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,951.40 : 354,908.70 = 143,293.80 : x
  2. Step 2: Convert to fraction form
    236,951.40/354,908.70 = 143,293.80/x
  3. Step 3: Cross multiply
    236,951.40x = 354,908.70 × 143,293.80
  4. Step 4: Simplify right side
    236,951.40x = 50,856,216,276.06
  5. Step 5: Solve for x
    x = 50,856,216,276.06/236,951.40
  6. Step 6: Final answer
    x = 214,627.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.