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Finding the Fourth Proportional to 153,211.60, 229,817.40 and 113,845.60

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Solution

The fourth proportional to 153,211.60, 229,817.40 and 113,845.60 is: 170,768.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,211.60 : 229,817.40 = 113,845.60 : x
  2. Step 2: Convert to fraction form
    153,211.60/229,817.40 = 113,845.60/x
  3. Step 3: Cross multiply
    153,211.60x = 229,817.40 × 113,845.60
  4. Step 4: Simplify right side
    153,211.60x = 26,163,699,793.44
  5. Step 5: Solve for x
    x = 26,163,699,793.44/153,211.60
  6. Step 6: Final answer
    x = 170,768.40

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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.