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Finding the Fourth Proportional to 183,315.92, 252,978.96 and 102,761.36

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Solution

The fourth proportional to 183,315.92, 252,978.96 and 102,761.36 is: 141,812.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,315.92 : 252,978.96 = 102,761.36 : x
  2. Step 2: Convert to fraction form
    183,315.92/252,978.96 = 102,761.36/x
  3. Step 3: Cross multiply
    183,315.92x = 252,978.96 × 102,761.36
  4. Step 4: Simplify right side
    183,315.92x = 25,996,461,980.99
  5. Step 5: Solve for x
    x = 25,996,461,980.99/183,315.92
  6. Step 6: Final answer
    x = 141,812.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.