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Finding the Fourth Proportional to 125,502.81, 188,214.27 and 41,243.37

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Solution

The fourth proportional to 125,502.81, 188,214.27 and 41,243.37 is: 61,851.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,502.81 : 188,214.27 = 41,243.37 : x
  2. Step 2: Convert to fraction form
    125,502.81/188,214.27 = 41,243.37/x
  3. Step 3: Cross multiply
    125,502.81x = 188,214.27 × 41,243.37
  4. Step 4: Simplify right side
    125,502.81x = 7,762,590,776.89
  5. Step 5: Solve for x
    x = 7,762,590,776.89/125,502.81
  6. Step 6: Final answer
    x = 61,851.93

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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.