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Finding the Fourth Proportional to 164,445.48, 226,745.59 and 121,487.13

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Solution

The fourth proportional to 164,445.48, 226,745.59 and 121,487.13 is: 167,512.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,445.48 : 226,745.59 = 121,487.13 : x
  2. Step 2: Convert to fraction form
    164,445.48/226,745.59 = 121,487.13/x
  3. Step 3: Cross multiply
    164,445.48x = 226,745.59 × 121,487.13
  4. Step 4: Simplify right side
    164,445.48x = 27,546,670,969.26
  5. Step 5: Solve for x
    x = 27,546,670,969.26/164,445.48
  6. Step 6: Final answer
    x = 167,512.48

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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.