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Finding the Fourth Proportional to 124,558.60, 186,837.90 and 123,392.20

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Solution

The fourth proportional to 124,558.60, 186,837.90 and 123,392.20 is: 185,088.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,558.60 : 186,837.90 = 123,392.20 : x
  2. Step 2: Convert to fraction form
    124,558.60/186,837.90 = 123,392.20/x
  3. Step 3: Cross multiply
    124,558.60x = 186,837.90 × 123,392.20
  4. Step 4: Simplify right side
    124,558.60x = 23,054,339,524.38
  5. Step 5: Solve for x
    x = 23,054,339,524.38/124,558.60
  6. Step 6: Final answer
    x = 185,088.30

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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.