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Finding the Fourth Proportional to 333,124.12, 499,721.19 and 108,502.05

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Solution

The fourth proportional to 333,124.12, 499,721.19 and 108,502.05 is: 162,764.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,124.12 : 499,721.19 = 108,502.05 : x
  2. Step 2: Convert to fraction form
    333,124.12/499,721.19 = 108,502.05/x
  3. Step 3: Cross multiply
    333,124.12x = 499,721.19 × 108,502.05
  4. Step 4: Simplify right side
    333,124.12x = 54,220,771,262.60
  5. Step 5: Solve for x
    x = 54,220,771,262.60/333,124.12
  6. Step 6: Final answer
    x = 162,764.47

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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.