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Finding the Fourth Proportional to 124,097.96, 186,199.44 and 67,872.43

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Solution

The fourth proportional to 124,097.96, 186,199.44 and 67,872.43 is: 101,837.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,097.96 : 186,199.44 = 67,872.43 : x
  2. Step 2: Convert to fraction form
    124,097.96/186,199.44 = 67,872.43/x
  3. Step 3: Cross multiply
    124,097.96x = 186,199.44 × 67,872.43
  4. Step 4: Simplify right side
    124,097.96x = 12,637,807,187.08
  5. Step 5: Solve for x
    x = 12,637,807,187.08/124,097.96
  6. Step 6: Final answer
    x = 101,837.35

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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.