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Finding the Fourth Proportional to 124,527.84, 171,847.08 and 67,938

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Solution

The fourth proportional to 124,527.84, 171,847.08 and 67,938 is: 93,753.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,527.84 : 171,847.08 = 67,938 : x
  2. Step 2: Convert to fraction form
    124,527.84/171,847.08 = 67,938/x
  3. Step 3: Cross multiply
    124,527.84x = 171,847.08 × 67,938
  4. Step 4: Simplify right side
    124,527.84x = 11,674,946,921.04
  5. Step 5: Solve for x
    x = 11,674,946,921.04/124,527.84
  6. Step 6: Final answer
    x = 93,753.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.