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Finding the Fourth Proportional to 114,874.71, 158,503.67 and 67,118.84

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Solution

The fourth proportional to 114,874.71, 158,503.67 and 67,118.84 is: 92,610.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,874.71 : 158,503.67 = 67,118.84 : x
  2. Step 2: Convert to fraction form
    114,874.71/158,503.67 = 67,118.84/x
  3. Step 3: Cross multiply
    114,874.71x = 158,503.67 × 67,118.84
  4. Step 4: Simplify right side
    114,874.71x = 10,638,581,673.62
  5. Step 5: Solve for x
    x = 10,638,581,673.62/114,874.71
  6. Step 6: Final answer
    x = 92,610.30

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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.