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Finding the Fourth Proportional to 114,885.84, 158,464.55 and 74,527.49

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Solution

The fourth proportional to 114,885.84, 158,464.55 and 74,527.49 is: 102,797.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,885.84 : 158,464.55 = 74,527.49 : x
  2. Step 2: Convert to fraction form
    114,885.84/158,464.55 = 74,527.49/x
  3. Step 3: Cross multiply
    114,885.84x = 158,464.55 × 74,527.49
  4. Step 4: Simplify right side
    114,885.84x = 11,809,965,747.96
  5. Step 5: Solve for x
    x = 11,809,965,747.96/114,885.84
  6. Step 6: Final answer
    x = 102,797.40

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1.5x scale

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.