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Finding the Fourth Proportional to 121,460.96, 182,431.56 and 73,526.48

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Solution

The fourth proportional to 121,460.96, 182,431.56 and 73,526.48 is: 110,435.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,460.96 : 182,431.56 = 73,526.48 : x
  2. Step 2: Convert to fraction form
    121,460.96/182,431.56 = 73,526.48/x
  3. Step 3: Cross multiply
    121,460.96x = 182,431.56 × 73,526.48
  4. Step 4: Simplify right side
    121,460.96x = 13,413,550,447.71
  5. Step 5: Solve for x
    x = 13,413,550,447.71/121,460.96
  6. Step 6: Final answer
    x = 110,435.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.