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Finding the Fourth Proportional to 196,254.74, 270,866.88 and 115,677.56

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Solution

The fourth proportional to 196,254.74, 270,866.88 and 115,677.56 is: 159,655.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,254.74 : 270,866.88 = 115,677.56 : x
  2. Step 2: Convert to fraction form
    196,254.74/270,866.88 = 115,677.56/x
  3. Step 3: Cross multiply
    196,254.74x = 270,866.88 × 115,677.56
  4. Step 4: Simplify right side
    196,254.74x = 31,333,218,408.88
  5. Step 5: Solve for x
    x = 31,333,218,408.88/196,254.74
  6. Step 6: Final answer
    x = 159,655.86

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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.