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Finding the Fourth Proportional to 351,082.53, 484,492.77 and 189,937.53

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Solution

The fourth proportional to 351,082.53, 484,492.77 and 189,937.53 is: 262,113.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,082.53 : 484,492.77 = 189,937.53 : x
  2. Step 2: Convert to fraction form
    351,082.53/484,492.77 = 189,937.53/x
  3. Step 3: Cross multiply
    351,082.53x = 484,492.77 × 189,937.53
  4. Step 4: Simplify right side
    351,082.53x = 92,023,360,036.66
  5. Step 5: Solve for x
    x = 92,023,360,036.66/351,082.53
  6. Step 6: Final answer
    x = 262,113.18

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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.