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Finding the Fourth Proportional to 164,761.89, 247,140.52 and 64,922.95

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Solution

The fourth proportional to 164,761.89, 247,140.52 and 64,922.95 is: 97,383.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,761.89 : 247,140.52 = 64,922.95 : x
  2. Step 2: Convert to fraction form
    164,761.89/247,140.52 = 64,922.95/x
  3. Step 3: Cross multiply
    164,761.89x = 247,140.52 × 64,922.95
  4. Step 4: Simplify right side
    164,761.89x = 16,045,090,561.98
  5. Step 5: Solve for x
    x = 16,045,090,561.98/164,761.89
  6. Step 6: Final answer
    x = 97,383.51

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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.