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Finding the Fourth Proportional to 166,730, 250,066.75 and 46,759.38

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Solution

The fourth proportional to 166,730, 250,066.75 and 46,759.38 is: 70,131.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,730 : 250,066.75 = 46,759.38 : x
  2. Step 2: Convert to fraction form
    166,730/250,066.75 = 46,759.38/x
  3. Step 3: Cross multiply
    166,730x = 250,066.75 × 46,759.38
  4. Step 4: Simplify right side
    166,730x = 11,692,966,188.62
  5. Step 5: Solve for x
    x = 11,692,966,188.62/166,730
  6. Step 6: Final answer
    x = 70,131.15

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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.