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Finding the Fourth Proportional to 161,393.25, 222,749.71 and 93,398.51

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Solution

The fourth proportional to 161,393.25, 222,749.71 and 93,398.51 is: 128,905.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,393.25 : 222,749.71 = 93,398.51 : x
  2. Step 2: Convert to fraction form
    161,393.25/222,749.71 = 93,398.51/x
  3. Step 3: Cross multiply
    161,393.25x = 222,749.71 × 93,398.51
  4. Step 4: Simplify right side
    161,393.25x = 20,804,489,669.69
  5. Step 5: Solve for x
    x = 20,804,489,669.69/161,393.25
  6. Step 6: Final answer
    x = 128,905.58

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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.