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Finding the Fourth Proportional to 64,957.96, 97,471.12 and 46,104.40

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Solution

The fourth proportional to 64,957.96, 97,471.12 and 46,104.40 is: 69,180.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,957.96 : 97,471.12 = 46,104.40 : x
  2. Step 2: Convert to fraction form
    64,957.96/97,471.12 = 46,104.40/x
  3. Step 3: Cross multiply
    64,957.96x = 97,471.12 × 46,104.40
  4. Step 4: Simplify right side
    64,957.96x = 4,493,847,504.93
  5. Step 5: Solve for x
    x = 4,493,847,504.93/64,957.96
  6. Step 6: Final answer
    x = 69,180.86

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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.