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Finding the Fourth Proportional to 166,834,425.60, 250,251,638.40 and 160,031,980.80

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Solution

The fourth proportional to 166,834,425.60, 250,251,638.40 and 160,031,980.80 is: 240,047,971.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,834,425.60 : 250,251,638.40 = 160,031,980.80 : x
  2. Step 2: Convert to fraction form
    166,834,425.60/250,251,638.40 = 160,031,980.80/x
  3. Step 3: Cross multiply
    166,834,425.60x = 250,251,638.40 × 160,031,980.80
  4. Step 4: Simplify right side
    166,834,425.60x = 40,048,265,391,597,344
  5. Step 5: Solve for x
    x = 40,048,265,391,597,344/166,834,425.60
  6. Step 6: Final answer
    x = 240,047,971.20

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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.