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Finding the Fourth Proportional to 163,793.85, 245,749.88 and 57,193.51

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Solution

The fourth proportional to 163,793.85, 245,749.88 and 57,193.51 is: 85,810.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,793.85 : 245,749.88 = 57,193.51 : x
  2. Step 2: Convert to fraction form
    163,793.85/245,749.88 = 57,193.51/x
  3. Step 3: Cross multiply
    163,793.85x = 245,749.88 × 57,193.51
  4. Step 4: Simplify right side
    163,793.85x = 14,055,298,208.67
  5. Step 5: Solve for x
    x = 14,055,298,208.67/163,793.85
  6. Step 6: Final answer
    x = 85,810.91

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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.