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Finding the Fourth Proportional to 346,720.90, 520,081.35 and 110,082.10

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Solution

The fourth proportional to 346,720.90, 520,081.35 and 110,082.10 is: 165,123.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,720.90 : 520,081.35 = 110,082.10 : x
  2. Step 2: Convert to fraction form
    346,720.90/520,081.35 = 110,082.10/x
  3. Step 3: Cross multiply
    346,720.90x = 520,081.35 × 110,082.10
  4. Step 4: Simplify right side
    346,720.90x = 57,251,647,178.84
  5. Step 5: Solve for x
    x = 57,251,647,178.84/346,720.90
  6. Step 6: Final answer
    x = 165,123.15

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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.