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Finding the Fourth Proportional to 164,031.80, 245,658.90 and 164,031.80

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Solution

The fourth proportional to 164,031.80, 245,658.90 and 164,031.80 is: 245,658.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,031.80 : 245,658.90 = 164,031.80 : x
  2. Step 2: Convert to fraction form
    164,031.80/245,658.90 = 164,031.80/x
  3. Step 3: Cross multiply
    164,031.80x = 245,658.90 × 164,031.80
  4. Step 4: Simplify right side
    164,031.80x = 40,295,871,553.02
  5. Step 5: Solve for x
    x = 40,295,871,553.02/164,031.80
  6. Step 6: Final answer
    x = 245,658.90

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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.