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Finding the Fourth Proportional to 101,583.63, 140,186.57 and 56,262.38

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Solution

The fourth proportional to 101,583.63, 140,186.57 and 56,262.38 is: 77,642.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,583.63 : 140,186.57 = 56,262.38 : x
  2. Step 2: Convert to fraction form
    101,583.63/140,186.57 = 56,262.38/x
  3. Step 3: Cross multiply
    101,583.63x = 140,186.57 × 56,262.38
  4. Step 4: Simplify right side
    101,583.63x = 7,887,229,089.99
  5. Step 5: Solve for x
    x = 7,887,229,089.99/101,583.63
  6. Step 6: Final answer
    x = 77,642.72

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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.