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Finding the Fourth Proportional to 124,572.70, 186,743.91 and 49,674.63

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Solution

The fourth proportional to 124,572.70, 186,743.91 and 49,674.63 is: 74,466.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,572.70 : 186,743.91 = 49,674.63 : x
  2. Step 2: Convert to fraction form
    124,572.70/186,743.91 = 49,674.63/x
  3. Step 3: Cross multiply
    124,572.70x = 186,743.91 × 49,674.63
  4. Step 4: Simplify right side
    124,572.70x = 9,276,434,634.00
  5. Step 5: Solve for x
    x = 9,276,434,634.00/124,572.70
  6. Step 6: Final answer
    x = 74,466.03

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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.