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Finding the Fourth Proportional to 124,553.40, 186,830.10 and 41,447.40

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Solution

The fourth proportional to 124,553.40, 186,830.10 and 41,447.40 is: 62,171.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,553.40 : 186,830.10 = 41,447.40 : x
  2. Step 2: Convert to fraction form
    124,553.40/186,830.10 = 41,447.40/x
  3. Step 3: Cross multiply
    124,553.40x = 186,830.10 × 41,447.40
  4. Step 4: Simplify right side
    124,553.40x = 7,743,621,886.74
  5. Step 5: Solve for x
    x = 7,743,621,886.74/124,553.40
  6. Step 6: Final answer
    x = 62,171.10

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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.