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Finding the Fourth Proportional to 254,689.46, 351,450.90 and 147,266.45

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Solution

The fourth proportional to 254,689.46, 351,450.90 and 147,266.45 is: 203,215.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,689.46 : 351,450.90 = 147,266.45 : x
  2. Step 2: Convert to fraction form
    254,689.46/351,450.90 = 147,266.45/x
  3. Step 3: Cross multiply
    254,689.46x = 351,450.90 × 147,266.45
  4. Step 4: Simplify right side
    254,689.46x = 51,756,927,929.90
  5. Step 5: Solve for x
    x = 51,756,927,929.90/254,689.46
  6. Step 6: Final answer
    x = 203,215.82

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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.