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Finding the Fourth Proportional to 64,166.40, 96,171.84 and 29,070.72

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Solution

The fourth proportional to 64,166.40, 96,171.84 and 29,070.72 is: 43,570.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,166.40 : 96,171.84 = 29,070.72 : x
  2. Step 2: Convert to fraction form
    64,166.40/96,171.84 = 29,070.72/x
  3. Step 3: Cross multiply
    64,166.40x = 96,171.84 × 29,070.72
  4. Step 4: Simplify right side
    64,166.40x = 2,795,784,632.52
  5. Step 5: Solve for x
    x = 2,795,784,632.52/64,166.40
  6. Step 6: Final answer
    x = 43,570.85

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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.