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Finding the Fourth Proportional to 235,033.60, 324,333.18 and 136,946.68

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Solution

The fourth proportional to 235,033.60, 324,333.18 and 136,946.68 is: 188,978.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,033.60 : 324,333.18 = 136,946.68 : x
  2. Step 2: Convert to fraction form
    235,033.60/324,333.18 = 136,946.68/x
  3. Step 3: Cross multiply
    235,033.60x = 324,333.18 × 136,946.68
  4. Step 4: Simplify right side
    235,033.60x = 44,416,352,214.84
  5. Step 5: Solve for x
    x = 44,416,352,214.84/235,033.60
  6. Step 6: Final answer
    x = 188,978.73

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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.