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Finding the Fourth Proportional to 183,134.52, 274,673.43 and 70,866.90

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Solution

The fourth proportional to 183,134.52, 274,673.43 and 70,866.90 is: 106,289.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,134.52 : 274,673.43 = 70,866.90 : x
  2. Step 2: Convert to fraction form
    183,134.52/274,673.43 = 70,866.90/x
  3. Step 3: Cross multiply
    183,134.52x = 274,673.43 × 70,866.90
  4. Step 4: Simplify right side
    183,134.52x = 19,465,254,496.47
  5. Step 5: Solve for x
    x = 19,465,254,496.47/183,134.52
  6. Step 6: Final answer
    x = 106,289.38

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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.