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Finding the Fourth Proportional to 183,861.79, 253,727.73 and 103,287.58

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Solution

The fourth proportional to 183,861.79, 253,727.73 and 103,287.58 is: 142,536.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,861.79 : 253,727.73 = 103,287.58 : x
  2. Step 2: Convert to fraction form
    183,861.79/253,727.73 = 103,287.58/x
  3. Step 3: Cross multiply
    183,861.79x = 253,727.73 × 103,287.58
  4. Step 4: Simplify right side
    183,861.79x = 26,206,923,798.25
  5. Step 5: Solve for x
    x = 26,206,923,798.25/183,861.79
  6. Step 6: Final answer
    x = 142,536.00

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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.