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Finding the Fourth Proportional to 125,614.58, 188,427.56 and 35,663.67

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Solution

The fourth proportional to 125,614.58, 188,427.56 and 35,663.67 is: 53,497.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,614.58 : 188,427.56 = 35,663.67 : x
  2. Step 2: Convert to fraction form
    125,614.58/188,427.56 = 35,663.67/x
  3. Step 3: Cross multiply
    125,614.58x = 188,427.56 × 35,663.67
  4. Step 4: Simplify right side
    125,614.58x = 6,720,018,140.43
  5. Step 5: Solve for x
    x = 6,720,018,140.43/125,614.58
  6. Step 6: Final answer
    x = 53,497.12

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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.