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Finding the Fourth Proportional to 241,000.80, 361,501.20 and 91,245.98

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Solution

The fourth proportional to 241,000.80, 361,501.20 and 91,245.98 is: 136,868.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,000.80 : 361,501.20 = 91,245.98 : x
  2. Step 2: Convert to fraction form
    241,000.80/361,501.20 = 91,245.98/x
  3. Step 3: Cross multiply
    241,000.80x = 361,501.20 × 91,245.98
  4. Step 4: Simplify right side
    241,000.80x = 32,985,529,457.67
  5. Step 5: Solve for x
    x = 32,985,529,457.67/241,000.80
  6. Step 6: Final answer
    x = 136,868.96

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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.