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Finding the Fourth Proportional to 183,909.69, 253,818.97 and 103,337.37

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Solution

The fourth proportional to 183,909.69, 253,818.97 and 103,337.37 is: 142,618.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,909.69 : 253,818.97 = 103,337.37 : x
  2. Step 2: Convert to fraction form
    183,909.69/253,818.97 = 103,337.37/x
  3. Step 3: Cross multiply
    183,909.69x = 253,818.97 × 103,337.37
  4. Step 4: Simplify right side
    183,909.69x = 26,228,984,557.57
  5. Step 5: Solve for x
    x = 26,228,984,557.57/183,909.69
  6. Step 6: Final answer
    x = 142,618.83

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1.5x scale

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.