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Finding the Fourth Proportional to 163,894.59, 245,860.92 and 57,245.54

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Solution

The fourth proportional to 163,894.59, 245,860.92 and 57,245.54 is: 85,874.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,894.59 : 245,860.92 = 57,245.54 : x
  2. Step 2: Convert to fraction form
    163,894.59/245,860.92 = 57,245.54/x
  3. Step 3: Cross multiply
    163,894.59x = 245,860.92 × 57,245.54
  4. Step 4: Simplify right side
    163,894.59x = 14,074,439,900.99
  5. Step 5: Solve for x
    x = 14,074,439,900.99/163,894.59
  6. Step 6: Final answer
    x = 85,874.95

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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.