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Finding the Fourth Proportional to 103,950.34, 155,926.03 and 29,070.77

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Solution

The fourth proportional to 103,950.34, 155,926.03 and 29,070.77 is: 43,606.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,950.34 : 155,926.03 = 29,070.77 : x
  2. Step 2: Convert to fraction form
    103,950.34/155,926.03 = 29,070.77/x
  3. Step 3: Cross multiply
    103,950.34x = 155,926.03 × 29,070.77
  4. Step 4: Simplify right side
    103,950.34x = 4,532,888,902.84
  5. Step 5: Solve for x
    x = 4,532,888,902.84/103,950.34
  6. Step 6: Final answer
    x = 43,606.29

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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.