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Finding the Fourth Proportional to 292,101.39, 403,100.24 and 161,279.28

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Solution

The fourth proportional to 292,101.39, 403,100.24 and 161,279.28 is: 222,565.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,101.39 : 403,100.24 = 161,279.28 : x
  2. Step 2: Convert to fraction form
    292,101.39/403,100.24 = 161,279.28/x
  3. Step 3: Cross multiply
    292,101.39x = 403,100.24 × 161,279.28
  4. Step 4: Simplify right side
    292,101.39x = 65,011,715,668.63
  5. Step 5: Solve for x
    x = 65,011,715,668.63/292,101.39
  6. Step 6: Final answer
    x = 222,565.58

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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.