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Finding the Fourth Proportional to 146,278.82, 219,425.84 and 46,446.84

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Solution

The fourth proportional to 146,278.82, 219,425.84 and 46,446.84 is: 69,672.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,278.82 : 219,425.84 = 46,446.84 : x
  2. Step 2: Convert to fraction form
    146,278.82/219,425.84 = 46,446.84/x
  3. Step 3: Cross multiply
    146,278.82x = 219,425.84 × 46,446.84
  4. Step 4: Simplify right side
    146,278.82x = 10,191,636,650.11
  5. Step 5: Solve for x
    x = 10,191,636,650.11/146,278.82
  6. Step 6: Final answer
    x = 69,672.68

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1.5x scale

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.