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Finding the Fourth Proportional to 171,087.72, 236,062.14 and 98,498.76

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Solution

The fourth proportional to 171,087.72, 236,062.14 and 98,498.76 is: 135,905.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,087.72 : 236,062.14 = 98,498.76 : x
  2. Step 2: Convert to fraction form
    171,087.72/236,062.14 = 98,498.76/x
  3. Step 3: Cross multiply
    171,087.72x = 236,062.14 × 98,498.76
  4. Step 4: Simplify right side
    171,087.72x = 23,251,828,072.95
  5. Step 5: Solve for x
    x = 23,251,828,072.95/171,087.72
  6. Step 6: Final answer
    x = 135,905.89

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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.