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Finding the Fourth Proportional to 161,565.26, 222,967.87 and 89,945.26

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Solution

The fourth proportional to 161,565.26, 222,967.87 and 89,945.26 is: 124,128.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,565.26 : 222,967.87 = 89,945.26 : x
  2. Step 2: Convert to fraction form
    161,565.26/222,967.87 = 89,945.26/x
  3. Step 3: Cross multiply
    161,565.26x = 222,967.87 × 89,945.26
  4. Step 4: Simplify right side
    161,565.26x = 20,054,902,256.51
  5. Step 5: Solve for x
    x = 20,054,902,256.51/161,565.26
  6. Step 6: Final answer
    x = 124,128.81

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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.