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Finding the Fourth Proportional to 116,058.32, 159,117.44 and 113,958.80

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Solution

The fourth proportional to 116,058.32, 159,117.44 and 113,958.80 is: 156,238.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,058.32 : 159,117.44 = 113,958.80 : x
  2. Step 2: Convert to fraction form
    116,058.32/159,117.44 = 113,958.80/x
  3. Step 3: Cross multiply
    116,058.32x = 159,117.44 × 113,958.80
  4. Step 4: Simplify right side
    116,058.32x = 18,132,832,521.47
  5. Step 5: Solve for x
    x = 18,132,832,521.47/116,058.32
  6. Step 6: Final answer
    x = 156,238.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.