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Finding the Fourth Proportional to 293,673.20, 440,509.80 and 94,000.10

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Solution

The fourth proportional to 293,673.20, 440,509.80 and 94,000.10 is: 141,000.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,673.20 : 440,509.80 = 94,000.10 : x
  2. Step 2: Convert to fraction form
    293,673.20/440,509.80 = 94,000.10/x
  3. Step 3: Cross multiply
    293,673.20x = 440,509.80 × 94,000.10
  4. Step 4: Simplify right side
    293,673.20x = 41,407,965,250.98
  5. Step 5: Solve for x
    x = 41,407,965,250.98/293,673.20
  6. Step 6: Final answer
    x = 141,000.15

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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.