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Finding the Fourth Proportional to 166,549.96, 249,649.98 and 61,301.80

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Solution

The fourth proportional to 166,549.96, 249,649.98 and 61,301.80 is: 91,888.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,549.96 : 249,649.98 = 61,301.80 : x
  2. Step 2: Convert to fraction form
    166,549.96/249,649.98 = 61,301.80/x
  3. Step 3: Cross multiply
    166,549.96x = 249,649.98 × 61,301.80
  4. Step 4: Simplify right side
    166,549.96x = 15,303,993,143.96
  5. Step 5: Solve for x
    x = 15,303,993,143.96/166,549.96
  6. Step 6: Final answer
    x = 91,888.30

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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.