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Finding the Fourth Proportional to 236,422.60, 354,864.30 and 118,227.40

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Solution

The fourth proportional to 236,422.60, 354,864.30 and 118,227.40 is: 177,456.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,422.60 : 354,864.30 = 118,227.40 : x
  2. Step 2: Convert to fraction form
    236,422.60/354,864.30 = 118,227.40/x
  3. Step 3: Cross multiply
    236,422.60x = 354,864.30 × 118,227.40
  4. Step 4: Simplify right side
    236,422.60x = 41,954,683,541.82
  5. Step 5: Solve for x
    x = 41,954,683,541.82/236,422.60
  6. Step 6: Final answer
    x = 177,456.32

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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.