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Finding the Fourth Proportional to 231,082.36, 346,635.90 and 64,883.32

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Solution

The fourth proportional to 231,082.36, 346,635.90 and 64,883.32 is: 97,328.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,082.36 : 346,635.90 = 64,883.32 : x
  2. Step 2: Convert to fraction form
    231,082.36/346,635.90 = 64,883.32/x
  3. Step 3: Cross multiply
    231,082.36x = 346,635.90 × 64,883.32
  4. Step 4: Simplify right side
    231,082.36x = 22,490,888,023.19
  5. Step 5: Solve for x
    x = 22,490,888,023.19/231,082.36
  6. Step 6: Final answer
    x = 97,328.45

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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.