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Finding the Fourth Proportional to 124,571.70, 186,742.41 and 49,673.63

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Solution

The fourth proportional to 124,571.70, 186,742.41 and 49,673.63 is: 74,464.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,571.70 : 186,742.41 = 49,673.63 : x
  2. Step 2: Convert to fraction form
    124,571.70/186,742.41 = 49,673.63/x
  3. Step 3: Cross multiply
    124,571.70x = 186,742.41 × 49,673.63
  4. Step 4: Simplify right side
    124,571.70x = 9,276,172,445.94
  5. Step 5: Solve for x
    x = 9,276,172,445.94/124,571.70
  6. Step 6: Final answer
    x = 74,464.52

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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.