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Finding the Fourth Proportional to 163,599.35, 245,404.49 and 45,260.78

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Solution

The fourth proportional to 163,599.35, 245,404.49 and 45,260.78 is: 67,892.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,599.35 : 245,404.49 = 45,260.78 : x
  2. Step 2: Convert to fraction form
    163,599.35/245,404.49 = 45,260.78/x
  3. Step 3: Cross multiply
    163,599.35x = 245,404.49 × 45,260.78
  4. Step 4: Simplify right side
    163,599.35x = 11,107,198,406.60
  5. Step 5: Solve for x
    x = 11,107,198,406.60/163,599.35
  6. Step 6: Final answer
    x = 67,892.68

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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.