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Finding the Fourth Proportional to 183,672.09, 253,402.29 and 120,046.59

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Solution

The fourth proportional to 183,672.09, 253,402.29 and 120,046.59 is: 165,621.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,672.09 : 253,402.29 = 120,046.59 : x
  2. Step 2: Convert to fraction form
    183,672.09/253,402.29 = 120,046.59/x
  3. Step 3: Cross multiply
    183,672.09x = 253,402.29 × 120,046.59
  4. Step 4: Simplify right side
    183,672.09x = 30,420,080,812.69
  5. Step 5: Solve for x
    x = 30,420,080,812.69/183,672.09
  6. Step 6: Final answer
    x = 165,621.68

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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.