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Finding the Fourth Proportional to 104,645.32, 156,973.43 and 34,530.10

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Solution

The fourth proportional to 104,645.32, 156,973.43 and 34,530.10 is: 51,796.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,645.32 : 156,973.43 = 34,530.10 : x
  2. Step 2: Convert to fraction form
    104,645.32/156,973.43 = 34,530.10/x
  3. Step 3: Cross multiply
    104,645.32x = 156,973.43 × 34,530.10
  4. Step 4: Simplify right side
    104,645.32x = 5,420,308,235.24
  5. Step 5: Solve for x
    x = 5,420,308,235.24/104,645.32
  6. Step 6: Final answer
    x = 51,796.95

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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.