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Finding the Fourth Proportional to 108,633.80, 162,950.70 and 104,697.20

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Solution

The fourth proportional to 108,633.80, 162,950.70 and 104,697.20 is: 157,045.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,633.80 : 162,950.70 = 104,697.20 : x
  2. Step 2: Convert to fraction form
    108,633.80/162,950.70 = 104,697.20/x
  3. Step 3: Cross multiply
    108,633.80x = 162,950.70 × 104,697.20
  4. Step 4: Simplify right side
    108,633.80x = 17,060,482,028.04
  5. Step 5: Solve for x
    x = 17,060,482,028.04/108,633.80
  6. Step 6: Final answer
    x = 157,045.80

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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.