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Finding the Fourth Proportional to 124,052.68, 186,079.04 and 30,558.40

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Solution

The fourth proportional to 124,052.68, 186,079.04 and 30,558.40 is: 45,837.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,052.68 : 186,079.04 = 30,558.40 : x
  2. Step 2: Convert to fraction form
    124,052.68/186,079.04 = 30,558.40/x
  3. Step 3: Cross multiply
    124,052.68x = 186,079.04 × 30,558.40
  4. Step 4: Simplify right side
    124,052.68x = 5,686,277,735.94
  5. Step 5: Solve for x
    x = 5,686,277,735.94/124,052.68
  6. Step 6: Final answer
    x = 45,837.60

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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.