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Finding the Fourth Proportional to 124,532.10, 186,887.90 and 49,608.90

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Solution

The fourth proportional to 124,532.10, 186,887.90 and 49,608.90 is: 74,449.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,532.10 : 186,887.90 = 49,608.90 : x
  2. Step 2: Convert to fraction form
    124,532.10/186,887.90 = 49,608.90/x
  3. Step 3: Cross multiply
    124,532.10x = 186,887.90 × 49,608.90
  4. Step 4: Simplify right side
    124,532.10x = 9,271,303,266.33
  5. Step 5: Solve for x
    x = 9,271,303,266.33/124,532.10
  6. Step 6: Final answer
    x = 74,449.10

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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.