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Finding the Fourth Proportional to 166,472.52, 249,745.77 and 77,677.59

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Solution

The fourth proportional to 166,472.52, 249,745.77 and 77,677.59 is: 116,533.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,472.52 : 249,745.77 = 77,677.59 : x
  2. Step 2: Convert to fraction form
    166,472.52/249,745.77 = 77,677.59/x
  3. Step 3: Cross multiply
    166,472.52x = 249,745.77 × 77,677.59
  4. Step 4: Simplify right side
    166,472.52x = 19,399,649,615.94
  5. Step 5: Solve for x
    x = 19,399,649,615.94/166,472.52
  6. Step 6: Final answer
    x = 116,533.64

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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.