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Finding the Fourth Proportional to 101,526.46, 140,104.82 and 56,203.48

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Solution

The fourth proportional to 101,526.46, 140,104.82 and 56,203.48 is: 77,559.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,526.46 : 140,104.82 = 56,203.48 : x
  2. Step 2: Convert to fraction form
    101,526.46/140,104.82 = 56,203.48/x
  3. Step 3: Cross multiply
    101,526.46x = 140,104.82 × 56,203.48
  4. Step 4: Simplify right side
    101,526.46x = 7,874,378,448.77
  5. Step 5: Solve for x
    x = 7,874,378,448.77/101,526.46
  6. Step 6: Final answer
    x = 77,559.86

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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.