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Finding the Fourth Proportional to 166,123.80, 249,185.70 and 166,123.80

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Solution

The fourth proportional to 166,123.80, 249,185.70 and 166,123.80 is: 249,185.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,123.80 : 249,185.70 = 166,123.80 : x
  2. Step 2: Convert to fraction form
    166,123.80/249,185.70 = 166,123.80/x
  3. Step 3: Cross multiply
    166,123.80x = 249,185.70 × 166,123.80
  4. Step 4: Simplify right side
    166,123.80x = 41,395,675,389.66
  5. Step 5: Solve for x
    x = 41,395,675,389.66/166,123.80
  6. Step 6: Final answer
    x = 249,185.70

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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.