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Finding the Fourth Proportional to 181,930.52, 251,042.31 and 104,402.18

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Solution

The fourth proportional to 181,930.52, 251,042.31 and 104,402.18 is: 144,062.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,930.52 : 251,042.31 = 104,402.18 : x
  2. Step 2: Convert to fraction form
    181,930.52/251,042.31 = 104,402.18/x
  3. Step 3: Cross multiply
    181,930.52x = 251,042.31 × 104,402.18
  4. Step 4: Simplify right side
    181,930.52x = 26,209,364,436.24
  5. Step 5: Solve for x
    x = 26,209,364,436.24/181,930.52
  6. Step 6: Final answer
    x = 144,062.49

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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.