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Finding the Fourth Proportional to 333,529.88, 500,346.65 and 111,965.72

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Solution

The fourth proportional to 333,529.88, 500,346.65 and 111,965.72 is: 167,965.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,529.88 : 500,346.65 = 111,965.72 : x
  2. Step 2: Convert to fraction form
    333,529.88/500,346.65 = 111,965.72/x
  3. Step 3: Cross multiply
    333,529.88x = 500,346.65 × 111,965.72
  4. Step 4: Simplify right side
    333,529.88x = 56,021,670,695.02
  5. Step 5: Solve for x
    x = 56,021,670,695.02/333,529.88
  6. Step 6: Final answer
    x = 167,965.98

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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.