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Finding the Fourth Proportional to 124,503.75, 186,757.25 and 41,397.75

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Solution

The fourth proportional to 124,503.75, 186,757.25 and 41,397.75 is: 62,097.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,503.75 : 186,757.25 = 41,397.75 : x
  2. Step 2: Convert to fraction form
    124,503.75/186,757.25 = 41,397.75/x
  3. Step 3: Cross multiply
    124,503.75x = 186,757.25 × 41,397.75
  4. Step 4: Simplify right side
    124,503.75x = 7,731,329,946.19
  5. Step 5: Solve for x
    x = 7,731,329,946.19/124,503.75
  6. Step 6: Final answer
    x = 62,097.17

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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.