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Finding the Fourth Proportional to 160,590.24, 221,616.09 and 88,971.24

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Solution

The fourth proportional to 160,590.24, 221,616.09 and 88,971.24 is: 122,781.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,590.24 : 221,616.09 = 88,971.24 : x
  2. Step 2: Convert to fraction form
    160,590.24/221,616.09 = 88,971.24/x
  3. Step 3: Cross multiply
    160,590.24x = 221,616.09 × 88,971.24
  4. Step 4: Simplify right side
    160,590.24x = 19,717,458,331.25
  5. Step 5: Solve for x
    x = 19,717,458,331.25/160,590.24
  6. Step 6: Final answer
    x = 122,781.17

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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.