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Finding the Fourth Proportional to 135,527.28, 203,192.28 and 56,663.88

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Solution

The fourth proportional to 135,527.28, 203,192.28 and 56,663.88 is: 84,954.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,527.28 : 203,192.28 = 56,663.88 : x
  2. Step 2: Convert to fraction form
    135,527.28/203,192.28 = 56,663.88/x
  3. Step 3: Cross multiply
    135,527.28x = 203,192.28 × 56,663.88
  4. Step 4: Simplify right side
    135,527.28x = 11,513,662,970.85
  5. Step 5: Solve for x
    x = 11,513,662,970.85/135,527.28
  6. Step 6: Final answer
    x = 84,954.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.