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Finding the Fourth Proportional to 164,325.20, 246,487.80 and 39,666.20

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Solution

The fourth proportional to 164,325.20, 246,487.80 and 39,666.20 is: 59,499.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,325.20 : 246,487.80 = 39,666.20 : x
  2. Step 2: Convert to fraction form
    164,325.20/246,487.80 = 39,666.20/x
  3. Step 3: Cross multiply
    164,325.20x = 246,487.80 × 39,666.20
  4. Step 4: Simplify right side
    164,325.20x = 9,777,233,139.92
  5. Step 5: Solve for x
    x = 9,777,233,139.92/164,325.20
  6. Step 6: Final answer
    x = 59,499.29

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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.