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Finding the Fourth Proportional to 293,886.49, 440,816.78 and 94,216.90

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Solution

The fourth proportional to 293,886.49, 440,816.78 and 94,216.90 is: 141,321.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,886.49 : 440,816.78 = 94,216.90 : x
  2. Step 2: Convert to fraction form
    293,886.49/440,816.78 = 94,216.90/x
  3. Step 3: Cross multiply
    293,886.49x = 440,816.78 × 94,216.90
  4. Step 4: Simplify right side
    293,886.49x = 41,532,390,008.50
  5. Step 5: Solve for x
    x = 41,532,390,008.50/293,886.49
  6. Step 6: Final answer
    x = 141,321.20

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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.