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Finding the Fourth Proportional to 125,633.55, 188,457.51 and 35,669.23

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Solution

The fourth proportional to 125,633.55, 188,457.51 and 35,669.23 is: 53,505.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,633.55 : 188,457.51 = 35,669.23 : x
  2. Step 2: Convert to fraction form
    125,633.55/188,457.51 = 35,669.23/x
  3. Step 3: Cross multiply
    125,633.55x = 188,457.51 × 35,669.23
  4. Step 4: Simplify right side
    125,633.55x = 6,722,134,269.42
  5. Step 5: Solve for x
    x = 6,722,134,269.42/125,633.55
  6. Step 6: Final answer
    x = 53,505.88

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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.