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Finding the Fourth Proportional to 124,575.69, 186,748.42 and 49,677.63

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Solution

The fourth proportional to 124,575.69, 186,748.42 and 49,677.63 is: 74,470.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,575.69 : 186,748.42 = 49,677.63 : x
  2. Step 2: Convert to fraction form
    124,575.69/186,748.42 = 49,677.63/x
  3. Step 3: Cross multiply
    124,575.69x = 186,748.42 × 49,677.63
  4. Step 4: Simplify right side
    124,575.69x = 9,277,218,911.84
  5. Step 5: Solve for x
    x = 9,277,218,911.84/124,575.69
  6. Step 6: Final answer
    x = 74,470.54

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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.