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Finding the Fourth Proportional to 333,185.81, 499,778.33 and 108,545.91

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Solution

The fourth proportional to 333,185.81, 499,778.33 and 108,545.91 is: 162,818.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,185.81 : 499,778.33 = 108,545.91 : x
  2. Step 2: Convert to fraction form
    333,185.81/499,778.33 = 108,545.91/x
  3. Step 3: Cross multiply
    333,185.81x = 499,778.33 × 108,545.91
  4. Step 4: Simplify right side
    333,185.81x = 54,248,893,085.40
  5. Step 5: Solve for x
    x = 54,248,893,085.40/333,185.81
  6. Step 6: Final answer
    x = 162,818.74

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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.