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Finding the Fourth Proportional to 166,073.80, 249,110.70 and 164,518.60

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Solution

The fourth proportional to 166,073.80, 249,110.70 and 164,518.60 is: 246,777.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,073.80 : 249,110.70 = 164,518.60 : x
  2. Step 2: Convert to fraction form
    166,073.80/249,110.70 = 164,518.60/x
  3. Step 3: Cross multiply
    166,073.80x = 249,110.70 × 164,518.60
  4. Step 4: Simplify right side
    166,073.80x = 40,983,343,609.02
  5. Step 5: Solve for x
    x = 40,983,343,609.02/166,073.80
  6. Step 6: Final answer
    x = 246,777.90

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1.5x scale

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.