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Finding the Fourth Proportional to 236,415.60, 354,853.80 and 118,220.40

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Solution

The fourth proportional to 236,415.60, 354,853.80 and 118,220.40 is: 177,445.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,415.60 : 354,853.80 = 118,220.40 : x
  2. Step 2: Convert to fraction form
    236,415.60/354,853.80 = 118,220.40/x
  3. Step 3: Cross multiply
    236,415.60x = 354,853.80 × 118,220.40
  4. Step 4: Simplify right side
    236,415.60x = 41,950,958,177.52
  5. Step 5: Solve for x
    x = 41,950,958,177.52/236,415.60
  6. Step 6: Final answer
    x = 177,445.81

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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.