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Finding the Fourth Proportional to 163,854.43, 245,794.99 and 45,525.78

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Solution

The fourth proportional to 163,854.43, 245,794.99 and 45,525.78 is: 68,292.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,854.43 : 245,794.99 = 45,525.78 : x
  2. Step 2: Convert to fraction form
    163,854.43/245,794.99 = 45,525.78/x
  3. Step 3: Cross multiply
    163,854.43x = 245,794.99 × 45,525.78
  4. Step 4: Simplify right side
    163,854.43x = 11,190,008,639.84
  5. Step 5: Solve for x
    x = 11,190,008,639.84/163,854.43
  6. Step 6: Final answer
    x = 68,292.38

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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.