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Finding the Fourth Proportional to 166,645.76, 249,968.64 and 41,996.48

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Solution

The fourth proportional to 166,645.76, 249,968.64 and 41,996.48 is: 62,994.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,645.76 : 249,968.64 = 41,996.48 : x
  2. Step 2: Convert to fraction form
    166,645.76/249,968.64 = 41,996.48/x
  3. Step 3: Cross multiply
    166,645.76x = 249,968.64 × 41,996.48
  4. Step 4: Simplify right side
    166,645.76x = 10,497,802,990.39
  5. Step 5: Solve for x
    x = 10,497,802,990.39/166,645.76
  6. Step 6: Final answer
    x = 62,994.72

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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.