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Finding the Fourth Proportional to 183,425.86, 253,140.72 and 101,780.86

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Solution

The fourth proportional to 183,425.86, 253,140.72 and 101,780.86 is: 140,464.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,425.86 : 253,140.72 = 101,780.86 : x
  2. Step 2: Convert to fraction form
    183,425.86/253,140.72 = 101,780.86/x
  3. Step 3: Cross multiply
    183,425.86x = 253,140.72 × 101,780.86
  4. Step 4: Simplify right side
    183,425.86x = 25,764,880,182.62
  5. Step 5: Solve for x
    x = 25,764,880,182.62/183,425.86
  6. Step 6: Final answer
    x = 140,464.82

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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.