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Finding the Fourth Proportional to 183,376.74, 253,142.80 and 115,493.48

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Solution

The fourth proportional to 183,376.74, 253,142.80 and 115,493.48 is: 159,433.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,376.74 : 253,142.80 = 115,493.48 : x
  2. Step 2: Convert to fraction form
    183,376.74/253,142.80 = 115,493.48/x
  3. Step 3: Cross multiply
    183,376.74x = 253,142.80 × 115,493.48
  4. Step 4: Simplify right side
    183,376.74x = 29,236,342,908.94
  5. Step 5: Solve for x
    x = 29,236,342,908.94/183,376.74
  6. Step 6: Final answer
    x = 159,433.21

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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.