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Finding the Fourth Proportional to 236,477.40, 354,934.80 and 118,233.60

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Solution

The fourth proportional to 236,477.40, 354,934.80 and 118,233.60 is: 177,459.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,477.40 : 354,934.80 = 118,233.60 : x
  2. Step 2: Convert to fraction form
    236,477.40/354,934.80 = 118,233.60/x
  3. Step 3: Cross multiply
    236,477.40x = 354,934.80 × 118,233.60
  4. Step 4: Simplify right side
    236,477.40x = 41,965,219,169.28
  5. Step 5: Solve for x
    x = 41,965,219,169.28/236,477.40
  6. Step 6: Final answer
    x = 177,459.75

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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.