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Finding the Fourth Proportional to 293,783.88, 440,686.26 and 94,078.32

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Solution

The fourth proportional to 293,783.88, 440,686.26 and 94,078.32 is: 141,120.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,783.88 : 440,686.26 = 94,078.32 : x
  2. Step 2: Convert to fraction form
    293,783.88/440,686.26 = 94,078.32/x
  3. Step 3: Cross multiply
    293,783.88x = 440,686.26 × 94,078.32
  4. Step 4: Simplify right side
    293,783.88x = 41,459,022,987.88
  5. Step 5: Solve for x
    x = 41,459,022,987.88/293,783.88
  6. Step 6: Final answer
    x = 141,120.82

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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.