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Finding the Fourth Proportional to 166,078.80, 249,118.20 and 164,523.60

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Solution

The fourth proportional to 166,078.80, 249,118.20 and 164,523.60 is: 246,785.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,078.80 : 249,118.20 = 164,523.60 : x
  2. Step 2: Convert to fraction form
    166,078.80/249,118.20 = 164,523.60/x
  3. Step 3: Cross multiply
    166,078.80x = 249,118.20 × 164,523.60
  4. Step 4: Simplify right side
    166,078.80x = 40,985,823,089.52
  5. Step 5: Solve for x
    x = 40,985,823,089.52/166,078.80
  6. Step 6: Final answer
    x = 246,785.40

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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.