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Finding the Fourth Proportional to 166,617.70, 249,926.55 and 73,123.45

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Solution

The fourth proportional to 166,617.70, 249,926.55 and 73,123.45 is: 109,685.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,617.70 : 249,926.55 = 73,123.45 : x
  2. Step 2: Convert to fraction form
    166,617.70/249,926.55 = 73,123.45/x
  3. Step 3: Cross multiply
    166,617.70x = 249,926.55 × 73,123.45
  4. Step 4: Simplify right side
    166,617.70x = 18,275,491,582.60
  5. Step 5: Solve for x
    x = 18,275,491,582.60/166,617.70
  6. Step 6: Final answer
    x = 109,685.18

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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.