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Finding the Fourth Proportional to 160,019.36, 220,839.92 and 92,058.40

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Solution

The fourth proportional to 160,019.36, 220,839.92 and 92,058.40 is: 127,048.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,019.36 : 220,839.92 = 92,058.40 : x
  2. Step 2: Convert to fraction form
    160,019.36/220,839.92 = 92,058.40/x
  3. Step 3: Cross multiply
    160,019.36x = 220,839.92 × 92,058.40
  4. Step 4: Simplify right side
    160,019.36x = 20,330,169,691.33
  5. Step 5: Solve for x
    x = 20,330,169,691.33/160,019.36
  6. Step 6: Final answer
    x = 127,048.19

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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.