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Finding the Fourth Proportional to 65,069.38, 97,492.53 and 43,682.05

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Solution

The fourth proportional to 65,069.38, 97,492.53 and 43,682.05 is: 65,448.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,069.38 : 97,492.53 = 43,682.05 : x
  2. Step 2: Convert to fraction form
    65,069.38/97,492.53 = 43,682.05/x
  3. Step 3: Cross multiply
    65,069.38x = 97,492.53 × 43,682.05
  4. Step 4: Simplify right side
    65,069.38x = 4,258,673,082.62
  5. Step 5: Solve for x
    x = 4,258,673,082.62/65,069.38
  6. Step 6: Final answer
    x = 65,448.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.