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Finding the Fourth Proportional to 114,894.38, 158,554.24 and 67,187.81

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Solution

The fourth proportional to 114,894.38, 158,554.24 and 67,187.81 is: 92,719.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,894.38 : 158,554.24 = 67,187.81 : x
  2. Step 2: Convert to fraction form
    114,894.38/158,554.24 = 67,187.81/x
  3. Step 3: Cross multiply
    114,894.38x = 158,554.24 × 67,187.81
  4. Step 4: Simplify right side
    114,894.38x = 10,652,912,151.81
  5. Step 5: Solve for x
    x = 10,652,912,151.81/114,894.38
  6. Step 6: Final answer
    x = 92,719.18

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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.