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Finding the Fourth Proportional to 104,656.70, 156,985.05 and 95,471.30

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Solution

The fourth proportional to 104,656.70, 156,985.05 and 95,471.30 is: 143,206.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,656.70 : 156,985.05 = 95,471.30 : x
  2. Step 2: Convert to fraction form
    104,656.70/156,985.05 = 95,471.30/x
  3. Step 3: Cross multiply
    104,656.70x = 156,985.05 × 95,471.30
  4. Step 4: Simplify right side
    104,656.70x = 14,987,566,804.07
  5. Step 5: Solve for x
    x = 14,987,566,804.07/104,656.70
  6. Step 6: Final answer
    x = 143,206.95

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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.