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Finding the Fourth Proportional to 241,009.90, 361,513.03 and 72,529.50

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Solution

The fourth proportional to 241,009.90, 361,513.03 and 72,529.50 is: 108,793.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,009.90 : 361,513.03 = 72,529.50 : x
  2. Step 2: Convert to fraction form
    241,009.90/361,513.03 = 72,529.50/x
  3. Step 3: Cross multiply
    241,009.90x = 361,513.03 × 72,529.50
  4. Step 4: Simplify right side
    241,009.90x = 26,220,359,309.39
  5. Step 5: Solve for x
    x = 26,220,359,309.39/241,009.90
  6. Step 6: Final answer
    x = 108,793.70

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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.