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Finding the Fourth Proportional to 293,497.15, 440,065.81 and 124,921.48

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Solution

The fourth proportional to 293,497.15, 440,065.81 and 124,921.48 is: 187,305.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,497.15 : 440,065.81 = 124,921.48 : x
  2. Step 2: Convert to fraction form
    293,497.15/440,065.81 = 124,921.48/x
  3. Step 3: Cross multiply
    293,497.15x = 440,065.81 × 124,921.48
  4. Step 4: Simplify right side
    293,497.15x = 54,973,671,970.30
  5. Step 5: Solve for x
    x = 54,973,671,970.30/293,497.15
  6. Step 6: Final answer
    x = 187,305.64

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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.