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Finding the Fourth Proportional to 103,259.70, 154,827.23 and 46,323.23

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Solution

The fourth proportional to 103,259.70, 154,827.23 and 46,323.23 is: 69,456.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,259.70 : 154,827.23 = 46,323.23 : x
  2. Step 2: Convert to fraction form
    103,259.70/154,827.23 = 46,323.23/x
  3. Step 3: Cross multiply
    103,259.70x = 154,827.23 × 46,323.23
  4. Step 4: Simplify right side
    103,259.70x = 7,172,096,379.80
  5. Step 5: Solve for x
    x = 7,172,096,379.80/103,259.70
  6. Step 6: Final answer
    x = 69,456.88

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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.