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Finding the Fourth Proportional to 166,620.47, 249,935.48 and 65,414.33

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Solution

The fourth proportional to 166,620.47, 249,935.48 and 65,414.33 is: 98,123.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,620.47 : 249,935.48 = 65,414.33 : x
  2. Step 2: Convert to fraction form
    166,620.47/249,935.48 = 65,414.33/x
  3. Step 3: Cross multiply
    166,620.47x = 249,935.48 × 65,414.33
  4. Step 4: Simplify right side
    166,620.47x = 16,349,360,390.68
  5. Step 5: Solve for x
    x = 16,349,360,390.68/166,620.47
  6. Step 6: Final answer
    x = 98,123.36

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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.