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Finding the Fourth Proportional to 166,403.70, 249,605.55 and 157,218.30

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Solution

The fourth proportional to 166,403.70, 249,605.55 and 157,218.30 is: 235,827.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,403.70 : 249,605.55 = 157,218.30 : x
  2. Step 2: Convert to fraction form
    166,403.70/249,605.55 = 157,218.30/x
  3. Step 3: Cross multiply
    166,403.70x = 249,605.55 × 157,218.30
  4. Step 4: Simplify right side
    166,403.70x = 39,242,560,241.57
  5. Step 5: Solve for x
    x = 39,242,560,241.57/166,403.70
  6. Step 6: Final answer
    x = 235,827.45

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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.