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Finding the Fourth Proportional to 103,487.01, 155,100.67 and 44,253.03

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Solution

The fourth proportional to 103,487.01, 155,100.67 and 44,253.03 is: 66,324.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,487.01 : 155,100.67 = 44,253.03 : x
  2. Step 2: Convert to fraction form
    103,487.01/155,100.67 = 44,253.03/x
  3. Step 3: Cross multiply
    103,487.01x = 155,100.67 × 44,253.03
  4. Step 4: Simplify right side
    103,487.01x = 6,863,674,381.26
  5. Step 5: Solve for x
    x = 6,863,674,381.26/103,487.01
  6. Step 6: Final answer
    x = 66,324.02

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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.