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Finding the Fourth Proportional to 303,999.88, 456,048.82 and 93,637.72

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Solution

The fourth proportional to 303,999.88, 456,048.82 and 93,637.72 is: 140,471.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,999.88 : 456,048.82 = 93,637.72 : x
  2. Step 2: Convert to fraction form
    303,999.88/456,048.82 = 93,637.72/x
  3. Step 3: Cross multiply
    303,999.88x = 456,048.82 × 93,637.72
  4. Step 4: Simplify right side
    303,999.88x = 42,703,371,713.49
  5. Step 5: Solve for x
    x = 42,703,371,713.49/303,999.88
  6. Step 6: Final answer
    x = 140,471.67

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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.