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Finding the Fourth Proportional to 172,741.76, 259,187.93 and 60,502.49

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Solution

The fourth proportional to 172,741.76, 259,187.93 and 60,502.49 is: 90,780.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,741.76 : 259,187.93 = 60,502.49 : x
  2. Step 2: Convert to fraction form
    172,741.76/259,187.93 = 60,502.49/x
  3. Step 3: Cross multiply
    172,741.76x = 259,187.93 × 60,502.49
  4. Step 4: Simplify right side
    172,741.76x = 15,681,513,998.26
  5. Step 5: Solve for x
    x = 15,681,513,998.26/172,741.76
  6. Step 6: Final answer
    x = 90,780.10

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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.