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Finding the Fourth Proportional to 303,034.15, 454,478.32 and 92,673.91

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Solution

The fourth proportional to 303,034.15, 454,478.32 and 92,673.91 is: 138,988.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,034.15 : 454,478.32 = 92,673.91 : x
  2. Step 2: Convert to fraction form
    303,034.15/454,478.32 = 92,673.91/x
  3. Step 3: Cross multiply
    303,034.15x = 454,478.32 × 92,673.91
  4. Step 4: Simplify right side
    303,034.15x = 42,118,282,924.63
  5. Step 5: Solve for x
    x = 42,118,282,924.63/303,034.15
  6. Step 6: Final answer
    x = 138,988.57

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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.