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Finding the Fourth Proportional to 166,653.12, 249,981.30 and 41,994.12

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Solution

The fourth proportional to 166,653.12, 249,981.30 and 41,994.12 is: 62,991.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,653.12 : 249,981.30 = 41,994.12 : x
  2. Step 2: Convert to fraction form
    166,653.12/249,981.30 = 41,994.12/x
  3. Step 3: Cross multiply
    166,653.12x = 249,981.30 × 41,994.12
  4. Step 4: Simplify right side
    166,653.12x = 10,497,744,709.96
  5. Step 5: Solve for x
    x = 10,497,744,709.96/166,653.12
  6. Step 6: Final answer
    x = 62,991.59

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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.