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Finding the Fourth Proportional to 183,562.20, 253,303.20 and 102,983.40

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Solution

The fourth proportional to 183,562.20, 253,303.20 and 102,983.40 is: 142,110.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,562.20 : 253,303.20 = 102,983.40 : x
  2. Step 2: Convert to fraction form
    183,562.20/253,303.20 = 102,983.40/x
  3. Step 3: Cross multiply
    183,562.20x = 253,303.20 × 102,983.40
  4. Step 4: Simplify right side
    183,562.20x = 26,086,024,766.88
  5. Step 5: Solve for x
    x = 26,086,024,766.88/183,562.20
  6. Step 6: Final answer
    x = 142,110.00

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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.