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Finding the Fourth Proportional to 166,871.70, 250,307.55 and 61,668.90

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Solution

The fourth proportional to 166,871.70, 250,307.55 and 61,668.90 is: 92,503.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,871.70 : 250,307.55 = 61,668.90 : x
  2. Step 2: Convert to fraction form
    166,871.70/250,307.55 = 61,668.90/x
  3. Step 3: Cross multiply
    166,871.70x = 250,307.55 × 61,668.90
  4. Step 4: Simplify right side
    166,871.70x = 15,436,191,270.20
  5. Step 5: Solve for x
    x = 15,436,191,270.20/166,871.70
  6. Step 6: Final answer
    x = 92,503.35

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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.