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Finding the Fourth Proportional to 153,793.76, 230,698.96 and 48,604.80

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Solution

The fourth proportional to 153,793.76, 230,698.96 and 48,604.80 is: 72,909.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,793.76 : 230,698.96 = 48,604.80 : x
  2. Step 2: Convert to fraction form
    153,793.76/230,698.96 = 48,604.80/x
  3. Step 3: Cross multiply
    153,793.76x = 230,698.96 × 48,604.80
  4. Step 4: Simplify right side
    153,793.76x = 11,213,076,811.01
  5. Step 5: Solve for x
    x = 11,213,076,811.01/153,793.76
  6. Step 6: Final answer
    x = 72,909.83

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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.