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Finding the Fourth Proportional to 97,369.38, 134,381.70 and 54,927

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Solution

The fourth proportional to 97,369.38, 134,381.70 and 54,927 is: 75,806.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,369.38 : 134,381.70 = 54,927 : x
  2. Step 2: Convert to fraction form
    97,369.38/134,381.70 = 54,927/x
  3. Step 3: Cross multiply
    97,369.38x = 134,381.70 × 54,927
  4. Step 4: Simplify right side
    97,369.38x = 7,381,183,635.90
  5. Step 5: Solve for x
    x = 7,381,183,635.90/97,369.38
  6. Step 6: Final answer
    x = 75,806.00

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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.