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Finding the Fourth Proportional to 125,814.42, 188,838.27 and 63,528.66

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Solution

The fourth proportional to 125,814.42, 188,838.27 and 63,528.66 is: 95,351.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,814.42 : 188,838.27 = 63,528.66 : x
  2. Step 2: Convert to fraction form
    125,814.42/188,838.27 = 63,528.66/x
  3. Step 3: Cross multiply
    125,814.42x = 188,838.27 × 63,528.66
  4. Step 4: Simplify right side
    125,814.42x = 11,996,642,249.82
  5. Step 5: Solve for x
    x = 11,996,642,249.82/125,814.42
  6. Step 6: Final answer
    x = 95,351.89

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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.