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Finding the Fourth Proportional to 223,000.86, 307,996.61 and 146,860.31

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Solution

The fourth proportional to 223,000.86, 307,996.61 and 146,860.31 is: 202,835.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,000.86 : 307,996.61 = 146,860.31 : x
  2. Step 2: Convert to fraction form
    223,000.86/307,996.61 = 146,860.31/x
  3. Step 3: Cross multiply
    223,000.86x = 307,996.61 × 146,860.31
  4. Step 4: Simplify right side
    223,000.86x = 45,232,477,659.24
  5. Step 5: Solve for x
    x = 45,232,477,659.24/223,000.86
  6. Step 6: Final answer
    x = 202,835.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.