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Finding the Fourth Proportional to 164,444.76, 226,744.56 and 121,486.38

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Solution

The fourth proportional to 164,444.76, 226,744.56 and 121,486.38 is: 167,511.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,444.76 : 226,744.56 = 121,486.38 : x
  2. Step 2: Convert to fraction form
    164,444.76/226,744.56 = 121,486.38/x
  3. Step 3: Cross multiply
    164,444.76x = 226,744.56 × 121,486.38
  4. Step 4: Simplify right side
    164,444.76x = 27,546,375,779.09
  5. Step 5: Solve for x
    x = 27,546,375,779.09/164,444.76
  6. Step 6: Final answer
    x = 167,511.42

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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.