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Finding the Fourth Proportional to 161,400.94, 222,724.44 and 88,802.44

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Solution

The fourth proportional to 161,400.94, 222,724.44 and 88,802.44 is: 122,542.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,400.94 : 222,724.44 = 88,802.44 : x
  2. Step 2: Convert to fraction form
    161,400.94/222,724.44 = 88,802.44/x
  3. Step 3: Cross multiply
    161,400.94x = 222,724.44 × 88,802.44
  4. Step 4: Simplify right side
    161,400.94x = 19,778,473,719.63
  5. Step 5: Solve for x
    x = 19,778,473,719.63/161,400.94
  6. Step 6: Final answer
    x = 122,542.49

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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.