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Finding the Fourth Proportional to 124,606.50, 186,987.51 and 50,734.50

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Solution

The fourth proportional to 124,606.50, 186,987.51 and 50,734.50 is: 76,133.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,606.50 : 186,987.51 = 50,734.50 : x
  2. Step 2: Convert to fraction form
    124,606.50/186,987.51 = 50,734.50/x
  3. Step 3: Cross multiply
    124,606.50x = 186,987.51 × 50,734.50
  4. Step 4: Simplify right side
    124,606.50x = 9,486,717,826.10
  5. Step 5: Solve for x
    x = 9,486,717,826.10/124,606.50
  6. Step 6: Final answer
    x = 76,133.41

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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.