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Finding the Fourth Proportional to 124,112.84, 184,765.44 and 123,374.72

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Solution

The fourth proportional to 124,112.84, 184,765.44 and 123,374.72 is: 183,666.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,112.84 : 184,765.44 = 123,374.72 : x
  2. Step 2: Convert to fraction form
    124,112.84/184,765.44 = 123,374.72/x
  3. Step 3: Cross multiply
    124,112.84x = 184,765.44 × 123,374.72
  4. Step 4: Simplify right side
    124,112.84x = 22,795,383,808.80
  5. Step 5: Solve for x
    x = 22,795,383,808.80/124,112.84
  6. Step 6: Final answer
    x = 183,666.60

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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.