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Finding the Fourth Proportional to 124,609.57, 186,905.27 and 48,693.84

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Solution

The fourth proportional to 124,609.57, 186,905.27 and 48,693.84 is: 73,037.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,609.57 : 186,905.27 = 48,693.84 : x
  2. Step 2: Convert to fraction form
    124,609.57/186,905.27 = 48,693.84/x
  3. Step 3: Cross multiply
    124,609.57x = 186,905.27 × 48,693.84
  4. Step 4: Simplify right side
    124,609.57x = 9,101,135,784.72
  5. Step 5: Solve for x
    x = 9,101,135,784.72/124,609.57
  6. Step 6: Final answer
    x = 73,037.21

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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.