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Finding the Fourth Proportional to 183,347.45, 253,035.29 and 102,790.52

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Solution

The fourth proportional to 183,347.45, 253,035.29 and 102,790.52 is: 141,859.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,347.45 : 253,035.29 = 102,790.52 : x
  2. Step 2: Convert to fraction form
    183,347.45/253,035.29 = 102,790.52/x
  3. Step 3: Cross multiply
    183,347.45x = 253,035.29 × 102,790.52
  4. Step 4: Simplify right side
    183,347.45x = 26,009,628,978.13
  5. Step 5: Solve for x
    x = 26,009,628,978.13/183,347.45
  6. Step 6: Final answer
    x = 141,859.78

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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.