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Finding the Fourth Proportional to 152,066.80, 228,078.60 and 52,231.60

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Solution

The fourth proportional to 152,066.80, 228,078.60 and 52,231.60 is: 78,339.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,066.80 : 228,078.60 = 52,231.60 : x
  2. Step 2: Convert to fraction form
    152,066.80/228,078.60 = 52,231.60/x
  3. Step 3: Cross multiply
    152,066.80x = 228,078.60 × 52,231.60
  4. Step 4: Simplify right side
    152,066.80x = 11,912,910,203.76
  5. Step 5: Solve for x
    x = 11,912,910,203.76/152,066.80
  6. Step 6: Final answer
    x = 78,339.98

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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.