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Finding the Fourth Proportional to 124,709.34, 187,091.65 and 35,955.92

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Solution

The fourth proportional to 124,709.34, 187,091.65 and 35,955.92 is: 53,941.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,709.34 : 187,091.65 = 35,955.92 : x
  2. Step 2: Convert to fraction form
    124,709.34/187,091.65 = 35,955.92/x
  3. Step 3: Cross multiply
    124,709.34x = 187,091.65 × 35,955.92
  4. Step 4: Simplify right side
    124,709.34x = 6,727,052,489.96
  5. Step 5: Solve for x
    x = 6,727,052,489.96/124,709.34
  6. Step 6: Final answer
    x = 53,941.85

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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.