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Finding the Fourth Proportional to 303,009.60, 454,514.32 and 92,647.52

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Solution

The fourth proportional to 303,009.60, 454,514.32 and 92,647.52 is: 138,971.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,009.60 : 454,514.32 = 92,647.52 : x
  2. Step 2: Convert to fraction form
    303,009.60/454,514.32 = 92,647.52/x
  3. Step 3: Cross multiply
    303,009.60x = 454,514.32 × 92,647.52
  4. Step 4: Simplify right side
    303,009.60x = 42,109,624,552.49
  5. Step 5: Solve for x
    x = 42,109,624,552.49/303,009.60
  6. Step 6: Final answer
    x = 138,971.26

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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.