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Finding the Fourth Proportional to 202,035.48, 303,054.75 and 89,685.51

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Solution

The fourth proportional to 202,035.48, 303,054.75 and 89,685.51 is: 134,528.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,035.48 : 303,054.75 = 89,685.51 : x
  2. Step 2: Convert to fraction form
    202,035.48/303,054.75 = 89,685.51/x
  3. Step 3: Cross multiply
    202,035.48x = 303,054.75 × 89,685.51
  4. Step 4: Simplify right side
    202,035.48x = 27,179,619,811.67
  5. Step 5: Solve for x
    x = 27,179,619,811.67/202,035.48
  6. Step 6: Final answer
    x = 134,528.94

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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.