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Finding the Fourth Proportional to 183,133.83, 252,712.65 and 102,542.88

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Solution

The fourth proportional to 183,133.83, 252,712.65 and 102,542.88 is: 141,502.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,133.83 : 252,712.65 = 102,542.88 : x
  2. Step 2: Convert to fraction form
    183,133.83/252,712.65 = 102,542.88/x
  3. Step 3: Cross multiply
    183,133.83x = 252,712.65 × 102,542.88
  4. Step 4: Simplify right side
    183,133.83x = 25,913,881,679.87
  5. Step 5: Solve for x
    x = 25,913,881,679.87/183,133.83
  6. Step 6: Final answer
    x = 141,502.43

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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.