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Finding the Fourth Proportional to 183,009.61, 274,561.74 and 107,172.20

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Solution

The fourth proportional to 183,009.61, 274,561.74 and 107,172.20 is: 160,786.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,009.61 : 274,561.74 = 107,172.20 : x
  2. Step 2: Convert to fraction form
    183,009.61/274,561.74 = 107,172.20/x
  3. Step 3: Cross multiply
    183,009.61x = 274,561.74 × 107,172.20
  4. Step 4: Simplify right side
    183,009.61x = 29,425,385,711.63
  5. Step 5: Solve for x
    x = 29,425,385,711.63/183,009.61
  6. Step 6: Final answer
    x = 160,786.01

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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.