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Finding the Fourth Proportional to 166,548.96, 249,648.48 and 61,300.80

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Solution

The fourth proportional to 166,548.96, 249,648.48 and 61,300.80 is: 91,886.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,548.96 : 249,648.48 = 61,300.80 : x
  2. Step 2: Convert to fraction form
    166,548.96/249,648.48 = 61,300.80/x
  3. Step 3: Cross multiply
    166,548.96x = 249,648.48 × 61,300.80
  4. Step 4: Simplify right side
    166,548.96x = 15,303,651,542.78
  5. Step 5: Solve for x
    x = 15,303,651,542.78/166,548.96
  6. Step 6: Final answer
    x = 91,886.80

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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.