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Finding the Fourth Proportional to 124,089.89, 184,731.40 and 123,351.77

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Solution

The fourth proportional to 124,089.89, 184,731.40 and 123,351.77 is: 183,632.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,089.89 : 184,731.40 = 123,351.77 : x
  2. Step 2: Convert to fraction form
    124,089.89/184,731.40 = 123,351.77/x
  3. Step 3: Cross multiply
    124,089.89x = 184,731.40 × 123,351.77
  4. Step 4: Simplify right side
    124,089.89x = 22,786,945,164.58
  5. Step 5: Solve for x
    x = 22,786,945,164.58/124,089.89
  6. Step 6: Final answer
    x = 183,632.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.