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Finding the Fourth Proportional to 168,609.60, 252,928.80 and 57,801.60

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Solution

The fourth proportional to 168,609.60, 252,928.80 and 57,801.60 is: 86,707.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,609.60 : 252,928.80 = 57,801.60 : x
  2. Step 2: Convert to fraction form
    168,609.60/252,928.80 = 57,801.60/x
  3. Step 3: Cross multiply
    168,609.60x = 252,928.80 × 57,801.60
  4. Step 4: Simplify right side
    168,609.60x = 14,619,689,326.08
  5. Step 5: Solve for x
    x = 14,619,689,326.08/168,609.60
  6. Step 6: Final answer
    x = 86,707.34

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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.