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Finding the Fourth Proportional to 163,604.46, 245,412.18 and 45,265.89

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Solution

The fourth proportional to 163,604.46, 245,412.18 and 45,265.89 is: 67,900.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,604.46 : 245,412.18 = 45,265.89 : x
  2. Step 2: Convert to fraction form
    163,604.46/245,412.18 = 45,265.89/x
  3. Step 3: Cross multiply
    163,604.46x = 245,412.18 × 45,265.89
  4. Step 4: Simplify right side
    163,604.46x = 11,108,800,744.54
  5. Step 5: Solve for x
    x = 11,108,800,744.54/163,604.46
  6. Step 6: Final answer
    x = 67,900.35

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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.